Home / 36,651.36-54,906.28-21,872.10

Finding the Fourth Proportional to 36,651.36, 54,906.28 and 21,872.10

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Solution

The fourth proportional to 36,651.36, 54,906.28 and 21,872.10 is: 32,765.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,651.36 : 54,906.28 = 21,872.10 : x
  2. Step 2: Convert to fraction form
    36,651.36/54,906.28 = 21,872.10/x
  3. Step 3: Cross multiply
    36,651.36x = 54,906.28 × 21,872.10
  4. Step 4: Simplify right side
    36,651.36x = 1,200,915,646.79
  5. Step 5: Solve for x
    x = 1,200,915,646.79/36,651.36
  6. Step 6: Final answer
    x = 32,765.92

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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.