Home / 43,766.20-65,573.70-20,344.60

Finding the Fourth Proportional to 43,766.20, 65,573.70 and 20,344.60

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Solution

The fourth proportional to 43,766.20, 65,573.70 and 20,344.60 is: 30,481.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,766.20 : 65,573.70 = 20,344.60 : x
  2. Step 2: Convert to fraction form
    43,766.20/65,573.70 = 20,344.60/x
  3. Step 3: Cross multiply
    43,766.20x = 65,573.70 × 20,344.60
  4. Step 4: Simplify right side
    43,766.20x = 1,334,070,697.02
  5. Step 5: Solve for x
    x = 1,334,070,697.02/43,766.20
  6. Step 6: Final answer
    x = 30,481.76

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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.