Home / 43,421.97-65,132.96-12,257.22

Finding the Fourth Proportional to 43,421.97, 65,132.96 and 12,257.22

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Solution

The fourth proportional to 43,421.97, 65,132.96 and 12,257.22 is: 18,385.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,421.97 : 65,132.96 = 12,257.22 : x
  2. Step 2: Convert to fraction form
    43,421.97/65,132.96 = 12,257.22/x
  3. Step 3: Cross multiply
    43,421.97x = 65,132.96 × 12,257.22
  4. Step 4: Simplify right side
    43,421.97x = 798,348,958.69
  5. Step 5: Solve for x
    x = 798,348,958.69/43,421.97
  6. Step 6: Final answer
    x = 18,385.83

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Similar ratio
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1.5x scale

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.