Home / 42,471.29-63,708.38-11,306.57

Finding the Fourth Proportional to 42,471.29, 63,708.38 and 11,306.57

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Solution

The fourth proportional to 42,471.29, 63,708.38 and 11,306.57 is: 16,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,471.29 : 63,708.38 = 11,306.57 : x
  2. Step 2: Convert to fraction form
    42,471.29/63,708.38 = 11,306.57/x
  3. Step 3: Cross multiply
    42,471.29x = 63,708.38 × 11,306.57
  4. Step 4: Simplify right side
    42,471.29x = 720,322,882.98
  5. Step 5: Solve for x
    x = 720,322,882.98/42,471.29
  6. Step 6: Final answer
    x = 16,960.23

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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.