Home / 54,131.75-81,188.04-14,691.93

Finding the Fourth Proportional to 54,131.75, 81,188.04 and 14,691.93

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Solution

The fourth proportional to 54,131.75, 81,188.04 and 14,691.93 is: 22,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,131.75 : 81,188.04 = 14,691.93 : x
  2. Step 2: Convert to fraction form
    54,131.75/81,188.04 = 14,691.93/x
  3. Step 3: Cross multiply
    54,131.75x = 81,188.04 × 14,691.93
  4. Step 4: Simplify right side
    54,131.75x = 1,192,809,000.52
  5. Step 5: Solve for x
    x = 1,192,809,000.52/54,131.75
  6. Step 6: Final answer
    x = 22,035.29

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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.