Home / 41,318.68-61,982.12-13,231.68

Finding the Fourth Proportional to 41,318.68, 61,982.12 and 13,231.68

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Solution

The fourth proportional to 41,318.68, 61,982.12 and 13,231.68 is: 19,848.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,318.68 : 61,982.12 = 13,231.68 : x
  2. Step 2: Convert to fraction form
    41,318.68/61,982.12 = 13,231.68/x
  3. Step 3: Cross multiply
    41,318.68x = 61,982.12 × 13,231.68
  4. Step 4: Simplify right side
    41,318.68x = 820,127,577.56
  5. Step 5: Solve for x
    x = 820,127,577.56/41,318.68
  6. Step 6: Final answer
    x = 19,848.83

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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.