Home / 43,377.40-65,067.18-12,212.44

Finding the Fourth Proportional to 43,377.40, 65,067.18 and 12,212.44

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Solution

The fourth proportional to 43,377.40, 65,067.18 and 12,212.44 is: 18,318.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,377.40 : 65,067.18 = 12,212.44 : x
  2. Step 2: Convert to fraction form
    43,377.40/65,067.18 = 12,212.44/x
  3. Step 3: Cross multiply
    43,377.40x = 65,067.18 × 12,212.44
  4. Step 4: Simplify right side
    43,377.40x = 794,629,031.72
  5. Step 5: Solve for x
    x = 794,629,031.72/43,377.40
  6. Step 6: Final answer
    x = 18,318.96

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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.