Home / 54,046.31-81,089.49-18,511.16

Finding the Fourth Proportional to 54,046.31, 81,089.49 and 18,511.16

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Solution

The fourth proportional to 54,046.31, 81,089.49 and 18,511.16 is: 27,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,046.31 : 81,089.49 = 18,511.16 : x
  2. Step 2: Convert to fraction form
    54,046.31/81,089.49 = 18,511.16/x
  3. Step 3: Cross multiply
    54,046.31x = 81,089.49 × 18,511.16
  4. Step 4: Simplify right side
    54,046.31x = 1,501,060,523.71
  5. Step 5: Solve for x
    x = 1,501,060,523.71/54,046.31
  6. Step 6: Final answer
    x = 27,773.60

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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.