Home / 40,753.22-61,122.83-10,767.78

Finding the Fourth Proportional to 40,753.22, 61,122.83 and 10,767.78

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Solution

The fourth proportional to 40,753.22, 61,122.83 and 10,767.78 is: 16,149.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,753.22 : 61,122.83 = 10,767.78 : x
  2. Step 2: Convert to fraction form
    40,753.22/61,122.83 = 10,767.78/x
  3. Step 3: Cross multiply
    40,753.22x = 61,122.83 × 10,767.78
  4. Step 4: Simplify right side
    40,753.22x = 658,157,132.58
  5. Step 5: Solve for x
    x = 658,157,132.58/40,753.22
  6. Step 6: Final answer
    x = 16,149.82

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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.