Home / 57,031.71-85,557.29-17,581.47

Finding the Fourth Proportional to 57,031.71, 85,557.29 and 17,581.47

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Solution

The fourth proportional to 57,031.71, 85,557.29 and 17,581.47 is: 26,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,031.71 : 85,557.29 = 17,581.47 : x
  2. Step 2: Convert to fraction form
    57,031.71/85,557.29 = 17,581.47/x
  3. Step 3: Cross multiply
    57,031.71x = 85,557.29 × 17,581.47
  4. Step 4: Simplify right side
    57,031.71x = 1,504,222,839.51
  5. Step 5: Solve for x
    x = 1,504,222,839.51/57,031.71
  6. Step 6: Final answer
    x = 26,375.20

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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.