Home / 29,170.40-43,777.20-11,652.80

Finding the Fourth Proportional to 29,170.40, 43,777.20 and 11,652.80

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Solution

The fourth proportional to 29,170.40, 43,777.20 and 11,652.80 is: 17,487.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,170.40 : 43,777.20 = 11,652.80 : x
  2. Step 2: Convert to fraction form
    29,170.40/43,777.20 = 11,652.80/x
  3. Step 3: Cross multiply
    29,170.40x = 43,777.20 × 11,652.80
  4. Step 4: Simplify right side
    29,170.40x = 510,126,956.16
  5. Step 5: Solve for x
    x = 510,126,956.16/29,170.40
  6. Step 6: Final answer
    x = 17,487.83

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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.