Home / 54,717.80-82,078.44-17,278.16

Finding the Fourth Proportional to 54,717.80, 82,078.44 and 17,278.16

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Solution

The fourth proportional to 54,717.80, 82,078.44 and 17,278.16 is: 25,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,717.80 : 82,078.44 = 17,278.16 : x
  2. Step 2: Convert to fraction form
    54,717.80/82,078.44 = 17,278.16/x
  3. Step 3: Cross multiply
    54,717.80x = 82,078.44 × 17,278.16
  4. Step 4: Simplify right side
    54,717.80x = 1,418,164,418.87
  5. Step 5: Solve for x
    x = 1,418,164,418.87/54,717.80
  6. Step 6: Final answer
    x = 25,917.79

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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.