
A ratio of 39 to 31 can be written as 39 to 31, 39:31, or 39/31. Furthermore, 39 and 31 can be the quantity or measurement of anything, such as students, fruit, weights, heights, speed and so on.
A ratio of 39 to 31 simply means that for every 39 of something, there are 31 of something else, with a total of 70.
In the box below, you can enter a number in either box and we will calculate the other number to keep the ratio of 39 to 31. In other words, we will calculate the corresponding equivalent ratio of 39:31 for you.
To calculate the left side of the ratio, our calculator multiplies the right side by 39 and then divides the product by 31. To calculate the right side of the ratio, our calculator multiplies the left side by 31 and then divides the product by 39. Answers are rounded to two decimals if necessary.
Below is a list of equivalent ratios of 39:31 that we created using our 39:31 ratio calculator above.
39:31
78:62
117:93
156:124
195:155
234:186
273:217
312:248
351:279
390:310
429:341
468:372
We have also created a pie chart for you to put 39:31 ratio in perspective. To do so, we divided a pie into 70 pieces and then colored 39 pieces green and 31 pieces blue. The pie will look exactly the same using any equivalent ratio of 39:31.

The green part of the pie covers 55.71% and the blue part covers 44.29%. To calculate the percentages, we divided each side of the ratio by its total and then multiplied by 100, like this:
(39 / 70)×100 ≈ 55.71
(31 / 70)×100 ≈ 44.29
In fractional terms, 39/31 of the pie above is colored in green. This means that the ratio of 39 to 31 or 39:31 can also be expressed as a fraction, where the 39 to the left of the colon is the numerator and the 31 to the right of the colon is the denominator:
39:31 = 39/31
Ratio is often used when defining rectangles in width:height format. Width and height can be feet, inches, centimeters, or any other kind of length. With a ratio of 39 to 31, the width is 39 and the height is 31. Below is a picture of what a rectangle with a ratio of 39:31 looks like.

Since the simplest form of the fraction 39/31 is 39/31, the simplest form of the ratio 39:31 is also 39:31.
Ratio Calculator
Need information about another ratio? Here you can submit another ratio for us to explain.
Ratio of 39 to 32
Go to the next ratio on our list that we have detailed information about.
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