Home / 42,149.70-58,057.57-29,380.11

Finding the Fourth Proportional to 42,149.70, 58,057.57 and 29,380.11

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Solution

The fourth proportional to 42,149.70, 58,057.57 and 29,380.11 is: 40,468.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,149.70 : 58,057.57 = 29,380.11 : x
  2. Step 2: Convert to fraction form
    42,149.70/58,057.57 = 29,380.11/x
  3. Step 3: Cross multiply
    42,149.70x = 58,057.57 × 29,380.11
  4. Step 4: Simplify right side
    42,149.70x = 1,705,737,792.93
  5. Step 5: Solve for x
    x = 1,705,737,792.93/42,149.70
  6. Step 6: Final answer
    x = 40,468.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.