Home / 54,553.66-81,830.49-15,110.78

Finding the Fourth Proportional to 54,553.66, 81,830.49 and 15,110.78

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Solution

The fourth proportional to 54,553.66, 81,830.49 and 15,110.78 is: 22,666.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,553.66 : 81,830.49 = 15,110.78 : x
  2. Step 2: Convert to fraction form
    54,553.66/81,830.49 = 15,110.78/x
  3. Step 3: Cross multiply
    54,553.66x = 81,830.49 × 15,110.78
  4. Step 4: Simplify right side
    54,553.66x = 1,236,522,359.76
  5. Step 5: Solve for x
    x = 1,236,522,359.76/54,553.66
  6. Step 6: Final answer
    x = 22,666.16

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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.