Home / 36,195.56-54,274.82-15,129.86

Finding the Fourth Proportional to 36,195.56, 54,274.82 and 15,129.86

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Solution

The fourth proportional to 36,195.56, 54,274.82 and 15,129.86 is: 22,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,195.56 : 54,274.82 = 15,129.86 : x
  2. Step 2: Convert to fraction form
    36,195.56/54,274.82 = 15,129.86/x
  3. Step 3: Cross multiply
    36,195.56x = 54,274.82 × 15,129.86
  4. Step 4: Simplify right side
    36,195.56x = 821,170,428.13
  5. Step 5: Solve for x
    x = 821,170,428.13/36,195.56
  6. Step 6: Final answer
    x = 22,687.05

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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.