Home / 49,401.82-74,102.92-11,961.83

Finding the Fourth Proportional to 49,401.82, 74,102.92 and 11,961.83

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Solution

The fourth proportional to 49,401.82, 74,102.92 and 11,961.83 is: 17,942.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,401.82 : 74,102.92 = 11,961.83 : x
  2. Step 2: Convert to fraction form
    49,401.82/74,102.92 = 11,961.83/x
  3. Step 3: Cross multiply
    49,401.82x = 74,102.92 × 11,961.83
  4. Step 4: Simplify right side
    49,401.82x = 886,406,531.54
  5. Step 5: Solve for x
    x = 886,406,531.54/49,401.82
  6. Step 6: Final answer
    x = 17,942.79

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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.