Home / 33,229.73-45,858.13-18,123.21

Finding the Fourth Proportional to 33,229.73, 45,858.13 and 18,123.21

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Solution

The fourth proportional to 33,229.73, 45,858.13 and 18,123.21 is: 25,010.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,229.73 : 45,858.13 = 18,123.21 : x
  2. Step 2: Convert to fraction form
    33,229.73/45,858.13 = 18,123.21/x
  3. Step 3: Cross multiply
    33,229.73x = 45,858.13 × 18,123.21
  4. Step 4: Simplify right side
    33,229.73x = 831,096,520.20
  5. Step 5: Solve for x
    x = 831,096,520.20/33,229.73
  6. Step 6: Final answer
    x = 25,010.63

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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.