Home / 29,185.82-43,815.63-13,406.61

Finding the Fourth Proportional to 29,185.82, 43,815.63 and 13,406.61

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Solution

The fourth proportional to 29,185.82, 43,815.63 and 13,406.61 is: 20,126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,185.82 : 43,815.63 = 13,406.61 : x
  2. Step 2: Convert to fraction form
    29,185.82/43,815.63 = 13,406.61/x
  3. Step 3: Cross multiply
    29,185.82x = 43,815.63 × 13,406.61
  4. Step 4: Simplify right side
    29,185.82x = 587,419,277.90
  5. Step 5: Solve for x
    x = 587,419,277.90/29,185.82
  6. Step 6: Final answer
    x = 20,126.87

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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.