Home / 40,757.52-61,138.76-11,174.16

Finding the Fourth Proportional to 40,757.52, 61,138.76 and 11,174.16

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Solution

The fourth proportional to 40,757.52, 61,138.76 and 11,174.16 is: 16,761.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,757.52 : 61,138.76 = 11,174.16 : x
  2. Step 2: Convert to fraction form
    40,757.52/61,138.76 = 11,174.16/x
  3. Step 3: Cross multiply
    40,757.52x = 61,138.76 × 11,174.16
  4. Step 4: Simplify right side
    40,757.52x = 683,174,286.44
  5. Step 5: Solve for x
    x = 683,174,286.44/40,757.52
  6. Step 6: Final answer
    x = 16,761.92

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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.