Finding the Fourth Proportional to 37,031.52, 55,547.29 and 20,382.99
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Solution
The fourth proportional to 37,031.52, 55,547.29 and 20,382.99 is: 30,574.48
Step by Step Solution
- Step 1: Write the proportion equation
37,031.52 : 55,547.29 = 20,382.99 : x - Step 2: Convert to fraction form
37,031.52/55,547.29 = 20,382.99/x - Step 3: Cross multiply
37,031.52x = 55,547.29 × 20,382.99 - Step 4: Simplify right side
37,031.52x = 1,132,219,673.77 - Step 5: Solve for x
x = 1,132,219,673.77/37,031.52 - Step 6: Final answer
x = 30,574.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.