Home / 40,672.32-60,994.19-12,200.79

Finding the Fourth Proportional to 40,672.32, 60,994.19 and 12,200.79

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Solution

The fourth proportional to 40,672.32, 60,994.19 and 12,200.79 is: 18,296.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,672.32 : 60,994.19 = 12,200.79 : x
  2. Step 2: Convert to fraction form
    40,672.32/60,994.19 = 12,200.79/x
  3. Step 3: Cross multiply
    40,672.32x = 60,994.19 × 12,200.79
  4. Step 4: Simplify right side
    40,672.32x = 744,177,105.18
  5. Step 5: Solve for x
    x = 744,177,105.18/40,672.32
  6. Step 6: Final answer
    x = 18,296.89

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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.