Home / 54,951.30-82,418.85-15,512.40

Finding the Fourth Proportional to 54,951.30, 82,418.85 and 15,512.40

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Solution

The fourth proportional to 54,951.30, 82,418.85 and 15,512.40 is: 23,266.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,951.30 : 82,418.85 = 15,512.40 : x
  2. Step 2: Convert to fraction form
    54,951.30/82,418.85 = 15,512.40/x
  3. Step 3: Cross multiply
    54,951.30x = 82,418.85 × 15,512.40
  4. Step 4: Simplify right side
    54,951.30x = 1,278,514,168.74
  5. Step 5: Solve for x
    x = 1,278,514,168.74/54,951.30
  6. Step 6: Final answer
    x = 23,266.31

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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.