Home / 41,431.62-62,138.48-11,841.51

Finding the Fourth Proportional to 41,431.62, 62,138.48 and 11,841.51

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Solution

The fourth proportional to 41,431.62, 62,138.48 and 11,841.51 is: 17,759.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,431.62 : 62,138.48 = 11,841.51 : x
  2. Step 2: Convert to fraction form
    41,431.62/62,138.48 = 11,841.51/x
  3. Step 3: Cross multiply
    41,431.62x = 62,138.48 × 11,841.51
  4. Step 4: Simplify right side
    41,431.62x = 735,813,373.10
  5. Step 5: Solve for x
    x = 735,813,373.10/41,431.62
  6. Step 6: Final answer
    x = 17,759.71

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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.