Home / 38,153.19-57,243.33-17,091.57

Finding the Fourth Proportional to 38,153.19, 57,243.33 and 17,091.57

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Solution

The fourth proportional to 38,153.19, 57,243.33 and 17,091.57 is: 25,643.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,153.19 : 57,243.33 = 17,091.57 : x
  2. Step 2: Convert to fraction form
    38,153.19/57,243.33 = 17,091.57/x
  3. Step 3: Cross multiply
    38,153.19x = 57,243.33 × 17,091.57
  4. Step 4: Simplify right side
    38,153.19x = 978,378,381.73
  5. Step 5: Solve for x
    x = 978,378,381.73/38,153.19
  6. Step 6: Final answer
    x = 25,643.42

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1.5x scale

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.