Home / 43,405.92-65,112.48-12,241.44

Finding the Fourth Proportional to 43,405.92, 65,112.48 and 12,241.44

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Solution

The fourth proportional to 43,405.92, 65,112.48 and 12,241.44 is: 18,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,405.92 : 65,112.48 = 12,241.44 : x
  2. Step 2: Convert to fraction form
    43,405.92/65,112.48 = 12,241.44/x
  3. Step 3: Cross multiply
    43,405.92x = 65,112.48 × 12,241.44
  4. Step 4: Simplify right side
    43,405.92x = 797,070,517.17
  5. Step 5: Solve for x
    x = 797,070,517.17/43,405.92
  6. Step 6: Final answer
    x = 18,363.18

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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.