Home / 54,517.73-81,787.59-19,456.48

Finding the Fourth Proportional to 54,517.73, 81,787.59 and 19,456.48

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Solution

The fourth proportional to 54,517.73, 81,787.59 and 19,456.48 is: 29,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,517.73 : 81,787.59 = 19,456.48 : x
  2. Step 2: Convert to fraction form
    54,517.73/81,787.59 = 19,456.48/x
  3. Step 3: Cross multiply
    54,517.73x = 81,787.59 × 19,456.48
  4. Step 4: Simplify right side
    54,517.73x = 1,591,298,609.08
  5. Step 5: Solve for x
    x = 1,591,298,609.08/54,517.73
  6. Step 6: Final answer
    x = 29,188.64

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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.