Home / 40,906.92-61,353.18-10,921.53

Finding the Fourth Proportional to 40,906.92, 61,353.18 and 10,921.53

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Solution

The fourth proportional to 40,906.92, 61,353.18 and 10,921.53 is: 16,380.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,906.92 : 61,353.18 = 10,921.53 : x
  2. Step 2: Convert to fraction form
    40,906.92/61,353.18 = 10,921.53/x
  3. Step 3: Cross multiply
    40,906.92x = 61,353.18 × 10,921.53
  4. Step 4: Simplify right side
    40,906.92x = 670,070,595.97
  5. Step 5: Solve for x
    x = 670,070,595.97/40,906.92
  6. Step 6: Final answer
    x = 16,380.37

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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.