Home / 54,747.45-82,115.10-15,308.55

Finding the Fourth Proportional to 54,747.45, 82,115.10 and 15,308.55

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Solution

The fourth proportional to 54,747.45, 82,115.10 and 15,308.55 is: 22,961.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,747.45 : 82,115.10 = 15,308.55 : x
  2. Step 2: Convert to fraction form
    54,747.45/82,115.10 = 15,308.55/x
  3. Step 3: Cross multiply
    54,747.45x = 82,115.10 × 15,308.55
  4. Step 4: Simplify right side
    54,747.45x = 1,257,063,114.11
  5. Step 5: Solve for x
    x = 1,257,063,114.11/54,747.45
  6. Step 6: Final answer
    x = 22,961.13

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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.