Home / 54,184.05-81,255.87-18,635.33

Finding the Fourth Proportional to 54,184.05, 81,255.87 and 18,635.33

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Solution

The fourth proportional to 54,184.05, 81,255.87 and 18,635.33 is: 27,946.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,184.05 : 81,255.87 = 18,635.33 : x
  2. Step 2: Convert to fraction form
    54,184.05/81,255.87 = 18,635.33/x
  3. Step 3: Cross multiply
    54,184.05x = 81,255.87 × 18,635.33
  4. Step 4: Simplify right side
    54,184.05x = 1,514,229,545.61
  5. Step 5: Solve for x
    x = 1,514,229,545.61/54,184.05
  6. Step 6: Final answer
    x = 27,946.04

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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.