Home / 60,204.38-90,310.89-20,760.92

Finding the Fourth Proportional to 60,204.38, 90,310.89 and 20,760.92

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Solution

The fourth proportional to 60,204.38, 90,310.89 and 20,760.92 is: 31,142.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,204.38 : 90,310.89 = 20,760.92 : x
  2. Step 2: Convert to fraction form
    60,204.38/90,310.89 = 20,760.92/x
  3. Step 3: Cross multiply
    60,204.38x = 90,310.89 × 20,760.92
  4. Step 4: Simplify right side
    60,204.38x = 1,874,937,162.42
  5. Step 5: Solve for x
    x = 1,874,937,162.42/60,204.38
  6. Step 6: Final answer
    x = 31,142.87

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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.