Home / 60,147.97-90,217.85-20,732.76

Finding the Fourth Proportional to 60,147.97, 90,217.85 and 20,732.76

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Solution

The fourth proportional to 60,147.97, 90,217.85 and 20,732.76 is: 31,097.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,147.97 : 90,217.85 = 20,732.76 : x
  2. Step 2: Convert to fraction form
    60,147.97/90,217.85 = 20,732.76/x
  3. Step 3: Cross multiply
    60,147.97x = 90,217.85 × 20,732.76
  4. Step 4: Simplify right side
    60,147.97x = 1,870,465,044.72
  5. Step 5: Solve for x
    x = 1,870,465,044.72/60,147.97
  6. Step 6: Final answer
    x = 31,097.73

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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.