Home / 36,186.65-54,241.25-15,121.28

Finding the Fourth Proportional to 36,186.65, 54,241.25 and 15,121.28

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Solution

The fourth proportional to 36,186.65, 54,241.25 and 15,121.28 is: 22,665.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,186.65 : 54,241.25 = 15,121.28 : x
  2. Step 2: Convert to fraction form
    36,186.65/54,241.25 = 15,121.28/x
  3. Step 3: Cross multiply
    36,186.65x = 54,241.25 × 15,121.28
  4. Step 4: Simplify right side
    36,186.65x = 820,197,188.80
  5. Step 5: Solve for x
    x = 820,197,188.80/36,186.65
  6. Step 6: Final answer
    x = 22,665.74

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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.