Home / 33,872.30-46,766.58-21,144.86

Finding the Fourth Proportional to 33,872.30, 46,766.58 and 21,144.86

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Solution

The fourth proportional to 33,872.30, 46,766.58 and 21,144.86 is: 29,194.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,872.30 : 46,766.58 = 21,144.86 : x
  2. Step 2: Convert to fraction form
    33,872.30/46,766.58 = 21,144.86/x
  3. Step 3: Cross multiply
    33,872.30x = 46,766.58 × 21,144.86
  4. Step 4: Simplify right side
    33,872.30x = 988,872,786.78
  5. Step 5: Solve for x
    x = 988,872,786.78/33,872.30
  6. Step 6: Final answer
    x = 29,194.14

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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.