Home / 36,701.57-54,964.01-20,867.87

Finding the Fourth Proportional to 36,701.57, 54,964.01 and 20,867.87

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Solution

The fourth proportional to 36,701.57, 54,964.01 and 20,867.87 is: 31,251.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,701.57 : 54,964.01 = 20,867.87 : x
  2. Step 2: Convert to fraction form
    36,701.57/54,964.01 = 20,867.87/x
  3. Step 3: Cross multiply
    36,701.57x = 54,964.01 × 20,867.87
  4. Step 4: Simplify right side
    36,701.57x = 1,146,981,603.80
  5. Step 5: Solve for x
    x = 1,146,981,603.80/36,701.57
  6. Step 6: Final answer
    x = 31,251.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.