Home / 36,436.92-54,668.70-15,382.20

Finding the Fourth Proportional to 36,436.92, 54,668.70 and 15,382.20

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Solution

The fourth proportional to 36,436.92, 54,668.70 and 15,382.20 is: 23,078.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,436.92 : 54,668.70 = 15,382.20 : x
  2. Step 2: Convert to fraction form
    36,436.92/54,668.70 = 15,382.20/x
  3. Step 3: Cross multiply
    36,436.92x = 54,668.70 × 15,382.20
  4. Step 4: Simplify right side
    36,436.92x = 840,924,877.14
  5. Step 5: Solve for x
    x = 840,924,877.14/36,436.92
  6. Step 6: Final answer
    x = 23,078.92

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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.