Home / 54,918.72-82,375.98-15,474.78

Finding the Fourth Proportional to 54,918.72, 82,375.98 and 15,474.78

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Solution

The fourth proportional to 54,918.72, 82,375.98 and 15,474.78 is: 23,211.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,918.72 : 82,375.98 = 15,474.78 : x
  2. Step 2: Convert to fraction form
    54,918.72/82,375.98 = 15,474.78/x
  3. Step 3: Cross multiply
    54,918.72x = 82,375.98 × 15,474.78
  4. Step 4: Simplify right side
    54,918.72x = 1,274,750,167.78
  5. Step 5: Solve for x
    x = 1,274,750,167.78/54,918.72
  6. Step 6: Final answer
    x = 23,211.58

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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.