Home / 54,715.86-82,086.48-17,279.64

Finding the Fourth Proportional to 54,715.86, 82,086.48 and 17,279.64

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Solution

The fourth proportional to 54,715.86, 82,086.48 and 17,279.64 is: 25,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,715.86 : 82,086.48 = 17,279.64 : x
  2. Step 2: Convert to fraction form
    54,715.86/82,086.48 = 17,279.64/x
  3. Step 3: Cross multiply
    54,715.86x = 82,086.48 × 17,279.64
  4. Step 4: Simplify right side
    54,715.86x = 1,418,424,823.27
  5. Step 5: Solve for x
    x = 1,418,424,823.27/54,715.86
  6. Step 6: Final answer
    x = 25,923.47

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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.