Home / 20,031.44-30,049.16-6,882.08

Finding the Fourth Proportional to 20,031.44, 30,049.16 and 6,882.08

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Solution

The fourth proportional to 20,031.44, 30,049.16 and 6,882.08 is: 10,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.44 : 30,049.16 = 6,882.08 : x
  2. Step 2: Convert to fraction form
    20,031.44/30,049.16 = 6,882.08/x
  3. Step 3: Cross multiply
    20,031.44x = 30,049.16 × 6,882.08
  4. Step 4: Simplify right side
    20,031.44x = 206,800,538.40
  5. Step 5: Solve for x
    x = 206,800,538.40/20,031.44
  6. Step 6: Final answer
    x = 10,323.80

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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.