Home / 72,213.39-108,280.26-22,279.59

Finding the Fourth Proportional to 72,213.39, 108,280.26 and 22,279.59

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Solution

The fourth proportional to 72,213.39, 108,280.26 and 22,279.59 is: 33,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,213.39 : 108,280.26 = 22,279.59 : x
  2. Step 2: Convert to fraction form
    72,213.39/108,280.26 = 22,279.59/x
  3. Step 3: Cross multiply
    72,213.39x = 108,280.26 × 22,279.59
  4. Step 4: Simplify right side
    72,213.39x = 2,412,439,797.89
  5. Step 5: Solve for x
    x = 2,412,439,797.89/72,213.39
  6. Step 6: Final answer
    x = 33,407.10

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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.