Home / 52,519.88-78,759.27-18,317.03

Finding the Fourth Proportional to 52,519.88, 78,759.27 and 18,317.03

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Solution

The fourth proportional to 52,519.88, 78,759.27 and 18,317.03 is: 27,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,519.88 : 78,759.27 = 18,317.03 : x
  2. Step 2: Convert to fraction form
    52,519.88/78,759.27 = 18,317.03/x
  3. Step 3: Cross multiply
    52,519.88x = 78,759.27 × 18,317.03
  4. Step 4: Simplify right side
    52,519.88x = 1,442,635,517.57
  5. Step 5: Solve for x
    x = 1,442,635,517.57/52,519.88
  6. Step 6: Final answer
    x = 27,468.37

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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.