Home / 54,160.71-81,217.83-18,625.61

Finding the Fourth Proportional to 54,160.71, 81,217.83 and 18,625.61

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Solution

The fourth proportional to 54,160.71, 81,217.83 and 18,625.61 is: 27,930.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,160.71 : 81,217.83 = 18,625.61 : x
  2. Step 2: Convert to fraction form
    54,160.71/81,217.83 = 18,625.61/x
  3. Step 3: Cross multiply
    54,160.71x = 81,217.83 × 18,625.61
  4. Step 4: Simplify right side
    54,160.71x = 1,512,731,220.54
  5. Step 5: Solve for x
    x = 1,512,731,220.54/54,160.71
  6. Step 6: Final answer
    x = 27,930.42

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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.