Home / 33,872.18-46,766.42-21,144.74

Finding the Fourth Proportional to 33,872.18, 46,766.42 and 21,144.74

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Solution

The fourth proportional to 33,872.18, 46,766.42 and 21,144.74 is: 29,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,872.18 : 46,766.42 = 21,144.74 : x
  2. Step 2: Convert to fraction form
    33,872.18/46,766.42 = 21,144.74/x
  3. Step 3: Cross multiply
    33,872.18x = 46,766.42 × 21,144.74
  4. Step 4: Simplify right side
    33,872.18x = 988,863,791.63
  5. Step 5: Solve for x
    x = 988,863,791.63/33,872.18
  6. Step 6: Final answer
    x = 29,193.98

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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.