Home / 33,198.75-49,768.11-12,123.92

Finding the Fourth Proportional to 33,198.75, 49,768.11 and 12,123.92

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Solution

The fourth proportional to 33,198.75, 49,768.11 and 12,123.92 is: 18,174.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,198.75 : 49,768.11 = 12,123.92 : x
  2. Step 2: Convert to fraction form
    33,198.75/49,768.11 = 12,123.92/x
  3. Step 3: Cross multiply
    33,198.75x = 49,768.11 × 12,123.92
  4. Step 4: Simplify right side
    33,198.75x = 603,384,708.61
  5. Step 5: Solve for x
    x = 603,384,708.61/33,198.75
  6. Step 6: Final answer
    x = 18,174.92

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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.