Home / 38,185.58-57,255.33-17,121.80

Finding the Fourth Proportional to 38,185.58, 57,255.33 and 17,121.80

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Solution

The fourth proportional to 38,185.58, 57,255.33 and 17,121.80 is: 25,672.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,185.58 : 57,255.33 = 17,121.80 : x
  2. Step 2: Convert to fraction form
    38,185.58/57,255.33 = 17,121.80/x
  3. Step 3: Cross multiply
    38,185.58x = 57,255.33 × 17,121.80
  4. Step 4: Simplify right side
    38,185.58x = 980,314,452.33
  5. Step 5: Solve for x
    x = 980,314,452.33/38,185.58
  6. Step 6: Final answer
    x = 25,672.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.