Home / 52,229.07-78,331.86-18,949.41

Finding the Fourth Proportional to 52,229.07, 78,331.86 and 18,949.41

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Solution

The fourth proportional to 52,229.07, 78,331.86 and 18,949.41 is: 28,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,229.07 : 78,331.86 = 18,949.41 : x
  2. Step 2: Convert to fraction form
    52,229.07/78,331.86 = 18,949.41/x
  3. Step 3: Cross multiply
    52,229.07x = 78,331.86 × 18,949.41
  4. Step 4: Simplify right side
    52,229.07x = 1,484,342,531.20
  5. Step 5: Solve for x
    x = 1,484,342,531.20/52,229.07
  6. Step 6: Final answer
    x = 28,419.85

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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.