Home / 36,138.74-49,871.49-20,226.97

Finding the Fourth Proportional to 36,138.74, 49,871.49 and 20,226.97

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Solution

The fourth proportional to 36,138.74, 49,871.49 and 20,226.97 is: 27,913.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,138.74 : 49,871.49 = 20,226.97 : x
  2. Step 2: Convert to fraction form
    36,138.74/49,871.49 = 20,226.97/x
  3. Step 3: Cross multiply
    36,138.74x = 49,871.49 × 20,226.97
  4. Step 4: Simplify right side
    36,138.74x = 1,008,748,882.73
  5. Step 5: Solve for x
    x = 1,008,748,882.73/36,138.74
  6. Step 6: Final answer
    x = 27,913.23

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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.