Home / 54,363.87-81,531.05-14,911.65

Finding the Fourth Proportional to 54,363.87, 81,531.05 and 14,911.65

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Solution

The fourth proportional to 54,363.87, 81,531.05 and 14,911.65 is: 22,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,363.87 : 81,531.05 = 14,911.65 : x
  2. Step 2: Convert to fraction form
    54,363.87/81,531.05 = 14,911.65/x
  3. Step 3: Cross multiply
    54,363.87x = 81,531.05 × 14,911.65
  4. Step 4: Simplify right side
    54,363.87x = 1,215,762,407.17
  5. Step 5: Solve for x
    x = 1,215,762,407.17/54,363.87
  6. Step 6: Final answer
    x = 22,363.43

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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.