Home / 33,230.97-45,858.55-18,123.36

Finding the Fourth Proportional to 33,230.97, 45,858.55 and 18,123.36

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Solution

The fourth proportional to 33,230.97, 45,858.55 and 18,123.36 is: 25,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,230.97 : 45,858.55 = 18,123.36 : x
  2. Step 2: Convert to fraction form
    33,230.97/45,858.55 = 18,123.36/x
  3. Step 3: Cross multiply
    33,230.97x = 45,858.55 × 18,123.36
  4. Step 4: Simplify right side
    33,230.97x = 831,111,010.73
  5. Step 5: Solve for x
    x = 831,111,010.73/33,230.97
  6. Step 6: Final answer
    x = 25,010.13

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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.