Home / 36,429.62-54,639.65-11,469.80

Finding the Fourth Proportional to 36,429.62, 54,639.65 and 11,469.80

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Solution

The fourth proportional to 36,429.62, 54,639.65 and 11,469.80 is: 17,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,429.62 : 54,639.65 = 11,469.80 : x
  2. Step 2: Convert to fraction form
    36,429.62/54,639.65 = 11,469.80/x
  3. Step 3: Cross multiply
    36,429.62x = 54,639.65 × 11,469.80
  4. Step 4: Simplify right side
    36,429.62x = 626,705,857.57
  5. Step 5: Solve for x
    x = 626,705,857.57/36,429.62
  6. Step 6: Final answer
    x = 17,203.20

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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.