Home / 72,439.13-108,674.10-22,518.02

Finding the Fourth Proportional to 72,439.13, 108,674.10 and 22,518.02

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Solution

The fourth proportional to 72,439.13, 108,674.10 and 22,518.02 is: 33,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,439.13 : 108,674.10 = 22,518.02 : x
  2. Step 2: Convert to fraction form
    72,439.13/108,674.10 = 22,518.02/x
  3. Step 3: Cross multiply
    72,439.13x = 108,674.10 × 22,518.02
  4. Step 4: Simplify right side
    72,439.13x = 2,447,125,557.28
  5. Step 5: Solve for x
    x = 2,447,125,557.28/72,439.13
  6. Step 6: Final answer
    x = 33,781.82

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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.