Home / 54,452.22-81,657.18-21,167.88

Finding the Fourth Proportional to 54,452.22, 81,657.18 and 21,167.88

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Solution

The fourth proportional to 54,452.22, 81,657.18 and 21,167.88 is: 31,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,452.22 : 81,657.18 = 21,167.88 : x
  2. Step 2: Convert to fraction form
    54,452.22/81,657.18 = 21,167.88/x
  3. Step 3: Cross multiply
    54,452.22x = 81,657.18 × 21,167.88
  4. Step 4: Simplify right side
    54,452.22x = 1,728,509,387.38
  5. Step 5: Solve for x
    x = 1,728,509,387.38/54,452.22
  6. Step 6: Final answer
    x = 31,743.60

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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.