Home / 47,472.20-71,202.12-12,414.56

Finding the Fourth Proportional to 47,472.20, 71,202.12 and 12,414.56

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Solution

The fourth proportional to 47,472.20, 71,202.12 and 12,414.56 is: 18,620.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,472.20 : 71,202.12 = 12,414.56 : x
  2. Step 2: Convert to fraction form
    47,472.20/71,202.12 = 12,414.56/x
  3. Step 3: Cross multiply
    47,472.20x = 71,202.12 × 12,414.56
  4. Step 4: Simplify right side
    47,472.20x = 883,942,990.87
  5. Step 5: Solve for x
    x = 883,942,990.87/47,472.20
  6. Step 6: Final answer
    x = 18,620.22

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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.