Home / 40,958.92-61,438.38-11,376.78

Finding the Fourth Proportional to 40,958.92, 61,438.38 and 11,376.78

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Solution

The fourth proportional to 40,958.92, 61,438.38 and 11,376.78 is: 17,065.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,958.92 : 61,438.38 = 11,376.78 : x
  2. Step 2: Convert to fraction form
    40,958.92/61,438.38 = 11,376.78/x
  3. Step 3: Cross multiply
    40,958.92x = 61,438.38 × 11,376.78
  4. Step 4: Simplify right side
    40,958.92x = 698,970,932.82
  5. Step 5: Solve for x
    x = 698,970,932.82/40,958.92
  6. Step 6: Final answer
    x = 17,065.17

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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.