Home / 36,185.28-54,240.72-20,569.92

Finding the Fourth Proportional to 36,185.28, 54,240.72 and 20,569.92

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Solution

The fourth proportional to 36,185.28, 54,240.72 and 20,569.92 is: 30,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,185.28 : 54,240.72 = 20,569.92 : x
  2. Step 2: Convert to fraction form
    36,185.28/54,240.72 = 20,569.92/x
  3. Step 3: Cross multiply
    36,185.28x = 54,240.72 × 20,569.92
  4. Step 4: Simplify right side
    36,185.28x = 1,115,727,271.14
  5. Step 5: Solve for x
    x = 1,115,727,271.14/36,185.28
  6. Step 6: Final answer
    x = 30,833.73

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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.