Home / 47,815.87-71,693.05-18,217.56

Finding the Fourth Proportional to 47,815.87, 71,693.05 and 18,217.56

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Solution

The fourth proportional to 47,815.87, 71,693.05 and 18,217.56 is: 27,314.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,815.87 : 71,693.05 = 18,217.56 : x
  2. Step 2: Convert to fraction form
    47,815.87/71,693.05 = 18,217.56/x
  3. Step 3: Cross multiply
    47,815.87x = 71,693.05 × 18,217.56
  4. Step 4: Simplify right side
    47,815.87x = 1,306,072,294.15
  5. Step 5: Solve for x
    x = 1,306,072,294.15/47,815.87
  6. Step 6: Final answer
    x = 27,314.62

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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.