Home / 67,966.43-101,863.51-38,400.91

Finding the Fourth Proportional to 67,966.43, 101,863.51 and 38,400.91

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Solution

The fourth proportional to 67,966.43, 101,863.51 and 38,400.91 is: 57,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,966.43 : 101,863.51 = 38,400.91 : x
  2. Step 2: Convert to fraction form
    67,966.43/101,863.51 = 38,400.91/x
  3. Step 3: Cross multiply
    67,966.43x = 101,863.51 × 38,400.91
  4. Step 4: Simplify right side
    67,966.43x = 3,911,651,129.13
  5. Step 5: Solve for x
    x = 3,911,651,129.13/67,966.43
  6. Step 6: Final answer
    x = 57,552.70

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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.