Home / 36,049.26-54,022.05-20,433.90

Finding the Fourth Proportional to 36,049.26, 54,022.05 and 20,433.90

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Solution

The fourth proportional to 36,049.26, 54,022.05 and 20,433.90 is: 30,621.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,049.26 : 54,022.05 = 20,433.90 : x
  2. Step 2: Convert to fraction form
    36,049.26/54,022.05 = 20,433.90/x
  3. Step 3: Cross multiply
    36,049.26x = 54,022.05 × 20,433.90
  4. Step 4: Simplify right side
    36,049.26x = 1,103,881,167.50
  5. Step 5: Solve for x
    x = 1,103,881,167.50/36,049.26
  6. Step 6: Final answer
    x = 30,621.47

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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.