Home / 87,424.20-131,104.17-31,249.15

Finding the Fourth Proportional to 87,424.20, 131,104.17 and 31,249.15

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Solution

The fourth proportional to 87,424.20, 131,104.17 and 31,249.15 is: 46,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,424.20 : 131,104.17 = 31,249.15 : x
  2. Step 2: Convert to fraction form
    87,424.20/131,104.17 = 31,249.15/x
  3. Step 3: Cross multiply
    87,424.20x = 131,104.17 × 31,249.15
  4. Step 4: Simplify right side
    87,424.20x = 4,096,893,546.20
  5. Step 5: Solve for x
    x = 4,096,893,546.20/87,424.20
  6. Step 6: Final answer
    x = 46,862.24

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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.