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Finding the Fourth Proportional to 22,519.31, 33,778.98 and 5,879.30

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Solution

The fourth proportional to 22,519.31, 33,778.98 and 5,879.30 is: 8,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,519.31 : 33,778.98 = 5,879.30 : x
  2. Step 2: Convert to fraction form
    22,519.31/33,778.98 = 5,879.30/x
  3. Step 3: Cross multiply
    22,519.31x = 33,778.98 × 5,879.30
  4. Step 4: Simplify right side
    22,519.31x = 198,596,757.11
  5. Step 5: Solve for x
    x = 198,596,757.11/22,519.31
  6. Step 6: Final answer
    x = 8,818.95

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1.5x scale

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.