
A ratio of 57 to 45 can be written as 57 to 45, 57:45, or 57/45. Furthermore, 57 and 45 can be the quantity or measurement of anything, such as students, fruit, weights, heights, speed and so on.
A ratio of 57 to 45 simply means that for every 57 of something, there are 45 of something else, with a total of 102.
In the box below, you can enter a number in either box and we will calculate the other number to keep the ratio of 57 to 45. In other words, we will calculate the corresponding equivalent ratio of 57:45 for you.
To calculate the left side of the ratio, our calculator multiplies the right side by 57 and then divides the product by 45. To calculate the right side of the ratio, our calculator multiplies the left side by 45 and then divides the product by 57. Answers are rounded to two decimals if necessary.
Below is a list of equivalent ratios of 57:45 that we created using our 57:45 ratio calculator above.
19:15
38:30
57:45
76:60
95:75
114:90
133:105
152:120
171:135
190:150
209:165
228:180
We have also created a pie chart for you to put 57:45 ratio in perspective. To do so, we divided a pie into 102 pieces and then colored 57 pieces green and 45 pieces blue. The pie will look exactly the same using any equivalent ratio of 57:45.

The green part of the pie covers 55.88% and the blue part covers 44.12%. To calculate the percentages, we divided each side of the ratio by its total and then multiplied by 100, like this:
(57 / 102)×100 ≈ 55.88
(45 / 102)×100 ≈ 44.12
In fractional terms, 57/45 of the pie above is colored in green. This means that the ratio of 57 to 45 or 57:45 can also be expressed as a fraction, where the 57 to the left of the colon is the numerator and the 45 to the right of the colon is the denominator:
57:45 = 57/45
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 57 to 45, the width is 57 and the height is 45. Below is a picture of what a rectangle with a ratio of 57:45 looks like.

Since the simplest form of the fraction 57/45 is 19/15, the simplest form of the ratio 57:45 is also 19:15.
Ratio Calculator
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Ratio of 57 to 46
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