Home / 72,540.30-108,797.61-19,232.85

Finding the Fourth Proportional to 72,540.30, 108,797.61 and 19,232.85

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Solution

The fourth proportional to 72,540.30, 108,797.61 and 19,232.85 is: 28,845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,540.30 : 108,797.61 = 19,232.85 : x
  2. Step 2: Convert to fraction form
    72,540.30/108,797.61 = 19,232.85/x
  3. Step 3: Cross multiply
    72,540.30x = 108,797.61 × 19,232.85
  4. Step 4: Simplify right side
    72,540.30x = 2,092,488,113.49
  5. Step 5: Solve for x
    x = 2,092,488,113.49/72,540.30
  6. Step 6: Final answer
    x = 28,845.87

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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.