Home / 40,767.15-61,144.17-11,178.12

Finding the Fourth Proportional to 40,767.15, 61,144.17 and 11,178.12

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Solution

The fourth proportional to 40,767.15, 61,144.17 and 11,178.12 is: 16,765.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,767.15 : 61,144.17 = 11,178.12 : x
  2. Step 2: Convert to fraction form
    40,767.15/61,144.17 = 11,178.12/x
  3. Step 3: Cross multiply
    40,767.15x = 61,144.17 × 11,178.12
  4. Step 4: Simplify right side
    40,767.15x = 683,476,869.56
  5. Step 5: Solve for x
    x = 683,476,869.56/40,767.15
  6. Step 6: Final answer
    x = 16,765.38

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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.