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Finding the Fourth Proportional to 72,348.10, 108,550.72 and 22,432.12

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Solution

The fourth proportional to 72,348.10, 108,550.72 and 22,432.12 is: 33,657.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,348.10 : 108,550.72 = 22,432.12 : x
  2. Step 2: Convert to fraction form
    72,348.10/108,550.72 = 22,432.12/x
  3. Step 3: Cross multiply
    72,348.10x = 108,550.72 × 22,432.12
  4. Step 4: Simplify right side
    72,348.10x = 2,435,022,777.13
  5. Step 5: Solve for x
    x = 2,435,022,777.13/72,348.10
  6. Step 6: Final answer
    x = 33,657.04

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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.