Home / 47,711.58-71,565.06-18,127.14

Finding the Fourth Proportional to 47,711.58, 71,565.06 and 18,127.14

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Solution

The fourth proportional to 47,711.58, 71,565.06 and 18,127.14 is: 27,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,711.58 : 71,565.06 = 18,127.14 : x
  2. Step 2: Convert to fraction form
    47,711.58/71,565.06 = 18,127.14/x
  3. Step 3: Cross multiply
    47,711.58x = 71,565.06 × 18,127.14
  4. Step 4: Simplify right side
    47,711.58x = 1,297,269,861.73
  5. Step 5: Solve for x
    x = 1,297,269,861.73/47,711.58
  6. Step 6: Final answer
    x = 27,189.83

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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.