Home / 36,143.24-49,877.76-20,226.46

Finding the Fourth Proportional to 36,143.24, 49,877.76 and 20,226.46

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Solution

The fourth proportional to 36,143.24, 49,877.76 and 20,226.46 is: 27,912.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,143.24 : 49,877.76 = 20,226.46 : x
  2. Step 2: Convert to fraction form
    36,143.24/49,877.76 = 20,226.46/x
  3. Step 3: Cross multiply
    36,143.24x = 49,877.76 × 20,226.46
  4. Step 4: Simplify right side
    36,143.24x = 1,008,850,517.53
  5. Step 5: Solve for x
    x = 1,008,850,517.53/36,143.24
  6. Step 6: Final answer
    x = 27,912.56

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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.