Home / 40,768.38-61,149.83-11,183.74

Finding the Fourth Proportional to 40,768.38, 61,149.83 and 11,183.74

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Solution

The fourth proportional to 40,768.38, 61,149.83 and 11,183.74 is: 16,774.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,768.38 : 61,149.83 = 11,183.74 : x
  2. Step 2: Convert to fraction form
    40,768.38/61,149.83 = 11,183.74/x
  3. Step 3: Cross multiply
    40,768.38x = 61,149.83 × 11,183.74
  4. Step 4: Simplify right side
    40,768.38x = 683,883,799.76
  5. Step 5: Solve for x
    x = 683,883,799.76/40,768.38
  6. Step 6: Final answer
    x = 16,774.86

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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.