Home / 36,227.45-49,991.68-20,311.56

Finding the Fourth Proportional to 36,227.45, 49,991.68 and 20,311.56

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Solution

The fourth proportional to 36,227.45, 49,991.68 and 20,311.56 is: 28,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,227.45 : 49,991.68 = 20,311.56 : x
  2. Step 2: Convert to fraction form
    36,227.45/49,991.68 = 20,311.56/x
  3. Step 3: Cross multiply
    36,227.45x = 49,991.68 × 20,311.56
  4. Step 4: Simplify right side
    36,227.45x = 1,015,409,033.21
  5. Step 5: Solve for x
    x = 1,015,409,033.21/36,227.45
  6. Step 6: Final answer
    x = 28,028.72

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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.