Home / 40,108.28-60,162.26-10,122.60

Finding the Fourth Proportional to 40,108.28, 60,162.26 and 10,122.60

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Solution

The fourth proportional to 40,108.28, 60,162.26 and 10,122.60 is: 15,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,108.28 : 60,162.26 = 10,122.60 : x
  2. Step 2: Convert to fraction form
    40,108.28/60,162.26 = 10,122.60/x
  3. Step 3: Cross multiply
    40,108.28x = 60,162.26 × 10,122.60
  4. Step 4: Simplify right side
    40,108.28x = 608,998,493.08
  5. Step 5: Solve for x
    x = 608,998,493.08/40,108.28
  6. Step 6: Final answer
    x = 15,183.86

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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.