Home / 36,651.12-54,976.20-8,949.36

Finding the Fourth Proportional to 36,651.12, 54,976.20 and 8,949.36

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Solution

The fourth proportional to 36,651.12, 54,976.20 and 8,949.36 is: 13,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,651.12 : 54,976.20 = 8,949.36 : x
  2. Step 2: Convert to fraction form
    36,651.12/54,976.20 = 8,949.36/x
  3. Step 3: Cross multiply
    36,651.12x = 54,976.20 × 8,949.36
  4. Step 4: Simplify right side
    36,651.12x = 492,001,805.23
  5. Step 5: Solve for x
    x = 492,001,805.23/36,651.12
  6. Step 6: Final answer
    x = 13,423.92

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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.