Home / 38,577.71-57,851.89-13,613.11

Finding the Fourth Proportional to 38,577.71, 57,851.89 and 13,613.11

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Solution

The fourth proportional to 38,577.71, 57,851.89 and 13,613.11 is: 20,414.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,577.71 : 57,851.89 = 13,613.11 : x
  2. Step 2: Convert to fraction form
    38,577.71/57,851.89 = 13,613.11/x
  3. Step 3: Cross multiply
    38,577.71x = 57,851.89 × 13,613.11
  4. Step 4: Simplify right side
    38,577.71x = 787,543,963.62
  5. Step 5: Solve for x
    x = 787,543,963.62/38,577.71
  6. Step 6: Final answer
    x = 20,414.48

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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.