Home / 72,247.44-108,381.52-22,331.92

Finding the Fourth Proportional to 72,247.44, 108,381.52 and 22,331.92

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Solution

The fourth proportional to 72,247.44, 108,381.52 and 22,331.92 is: 33,501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,247.44 : 108,381.52 = 22,331.92 : x
  2. Step 2: Convert to fraction form
    72,247.44/108,381.52 = 22,331.92/x
  3. Step 3: Cross multiply
    72,247.44x = 108,381.52 × 22,331.92
  4. Step 4: Simplify right side
    72,247.44x = 2,420,367,434.12
  5. Step 5: Solve for x
    x = 2,420,367,434.12/72,247.44
  6. Step 6: Final answer
    x = 33,501.08

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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.