Home / 43,408.20-65,112.30-32,910.60

Finding the Fourth Proportional to 43,408.20, 65,112.30 and 32,910.60

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Solution

The fourth proportional to 43,408.20, 65,112.30 and 32,910.60 is: 49,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,408.20 : 65,112.30 = 32,910.60 : x
  2. Step 2: Convert to fraction form
    43,408.20/65,112.30 = 32,910.60/x
  3. Step 3: Cross multiply
    43,408.20x = 65,112.30 × 32,910.60
  4. Step 4: Simplify right side
    43,408.20x = 2,142,884,860.38
  5. Step 5: Solve for x
    x = 2,142,884,860.38/43,408.20
  6. Step 6: Final answer
    x = 49,365.90

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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.