Home / 43,691.76-65,520.96-15,606.56

Finding the Fourth Proportional to 43,691.76, 65,520.96 and 15,606.56

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Solution

The fourth proportional to 43,691.76, 65,520.96 and 15,606.56 is: 23,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,691.76 : 65,520.96 = 15,606.56 : x
  2. Step 2: Convert to fraction form
    43,691.76/65,520.96 = 15,606.56/x
  3. Step 3: Cross multiply
    43,691.76x = 65,520.96 × 15,606.56
  4. Step 4: Simplify right side
    43,691.76x = 1,022,556,793.50
  5. Step 5: Solve for x
    x = 1,022,556,793.50/43,691.76
  6. Step 6: Final answer
    x = 23,403.88

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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.