Home / 54,951.55-82,419.23-15,512.65

Finding the Fourth Proportional to 54,951.55, 82,419.23 and 15,512.65

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Solution

The fourth proportional to 54,951.55, 82,419.23 and 15,512.65 is: 23,266.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,951.55 : 82,419.23 = 15,512.65 : x
  2. Step 2: Convert to fraction form
    54,951.55/82,419.23 = 15,512.65/x
  3. Step 3: Cross multiply
    54,951.55x = 82,419.23 × 15,512.65
  4. Step 4: Simplify right side
    54,951.55x = 1,278,540,590.70
  5. Step 5: Solve for x
    x = 1,278,540,590.70/54,951.55
  6. Step 6: Final answer
    x = 23,266.69

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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.