Home / 54,139.62-81,209.36-14,702.52

Finding the Fourth Proportional to 54,139.62, 81,209.36 and 14,702.52

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Solution

The fourth proportional to 54,139.62, 81,209.36 and 14,702.52 is: 22,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,139.62 : 81,209.36 = 14,702.52 : x
  2. Step 2: Convert to fraction form
    54,139.62/81,209.36 = 14,702.52/x
  3. Step 3: Cross multiply
    54,139.62x = 81,209.36 × 14,702.52
  4. Step 4: Simplify right side
    54,139.62x = 1,193,982,239.59
  5. Step 5: Solve for x
    x = 1,193,982,239.59/54,139.62
  6. Step 6: Final answer
    x = 22,053.76

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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.