Home / 36,139.82-49,872.96-20,227.34

Finding the Fourth Proportional to 36,139.82, 49,872.96 and 20,227.34

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Solution

The fourth proportional to 36,139.82, 49,872.96 and 20,227.34 is: 27,913.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,139.82 : 49,872.96 = 20,227.34 : x
  2. Step 2: Convert to fraction form
    36,139.82/49,872.96 = 20,227.34/x
  3. Step 3: Cross multiply
    36,139.82x = 49,872.96 × 20,227.34
  4. Step 4: Simplify right side
    36,139.82x = 1,008,797,318.73
  5. Step 5: Solve for x
    x = 1,008,797,318.73/36,139.82
  6. Step 6: Final answer
    x = 27,913.73

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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.