Home / 54,481.04-81,726.25-15,038.15

Finding the Fourth Proportional to 54,481.04, 81,726.25 and 15,038.15

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Solution

The fourth proportional to 54,481.04, 81,726.25 and 15,038.15 is: 22,558.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,481.04 : 81,726.25 = 15,038.15 : x
  2. Step 2: Convert to fraction form
    54,481.04/81,726.25 = 15,038.15/x
  3. Step 3: Cross multiply
    54,481.04x = 81,726.25 × 15,038.15
  4. Step 4: Simplify right side
    54,481.04x = 1,229,011,531.25
  5. Step 5: Solve for x
    x = 1,229,011,531.25/54,481.04
  6. Step 6: Final answer
    x = 22,558.52

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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.