Home / 54,815.50-82,216.42-15,375.69

Finding the Fourth Proportional to 54,815.50, 82,216.42 and 15,375.69

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Solution

The fourth proportional to 54,815.50, 82,216.42 and 15,375.69 is: 23,061.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,815.50 : 82,216.42 = 15,375.69 : x
  2. Step 2: Convert to fraction form
    54,815.50/82,216.42 = 15,375.69/x
  3. Step 3: Cross multiply
    54,815.50x = 82,216.42 × 15,375.69
  4. Step 4: Simplify right side
    54,815.50x = 1,264,134,148.39
  5. Step 5: Solve for x
    x = 1,264,134,148.39/54,815.50
  6. Step 6: Final answer
    x = 23,061.62

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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.