Home / 73,044.18-109,585.17-20,454.12

Finding the Fourth Proportional to 73,044.18, 109,585.17 and 20,454.12

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Solution

The fourth proportional to 73,044.18, 109,585.17 and 20,454.12 is: 30,686.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,044.18 : 109,585.17 = 20,454.12 : x
  2. Step 2: Convert to fraction form
    73,044.18/109,585.17 = 20,454.12/x
  3. Step 3: Cross multiply
    73,044.18x = 109,585.17 × 20,454.12
  4. Step 4: Simplify right side
    73,044.18x = 2,241,468,217.40
  5. Step 5: Solve for x
    x = 2,241,468,217.40/73,044.18
  6. Step 6: Final answer
    x = 30,686.47

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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.