Home / 36,143.16-54,321.66-29,942.88

Finding the Fourth Proportional to 36,143.16, 54,321.66 and 29,942.88

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Solution

The fourth proportional to 36,143.16, 54,321.66 and 29,942.88 is: 45,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,143.16 : 54,321.66 = 29,942.88 : x
  2. Step 2: Convert to fraction form
    36,143.16/54,321.66 = 29,942.88/x
  3. Step 3: Cross multiply
    36,143.16x = 54,321.66 × 29,942.88
  4. Step 4: Simplify right side
    36,143.16x = 1,626,546,946.78
  5. Step 5: Solve for x
    x = 1,626,546,946.78/36,143.16
  6. Step 6: Final answer
    x = 45,002.90

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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.