Home / 36,198.76-49,949.22-20,281.96

Finding the Fourth Proportional to 36,198.76, 49,949.22 and 20,281.96

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Solution

The fourth proportional to 36,198.76, 49,949.22 and 20,281.96 is: 27,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,198.76 : 49,949.22 = 20,281.96 : x
  2. Step 2: Convert to fraction form
    36,198.76/49,949.22 = 20,281.96/x
  3. Step 3: Cross multiply
    36,198.76x = 49,949.22 × 20,281.96
  4. Step 4: Simplify right side
    36,198.76x = 1,013,068,082.07
  5. Step 5: Solve for x
    x = 1,013,068,082.07/36,198.76
  6. Step 6: Final answer
    x = 27,986.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.