Home / 38,185.46-57,255.16-17,121.68

Finding the Fourth Proportional to 38,185.46, 57,255.16 and 17,121.68

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Solution

The fourth proportional to 38,185.46, 57,255.16 and 17,121.68 is: 25,672.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,185.46 : 57,255.16 = 17,121.68 : x
  2. Step 2: Convert to fraction form
    38,185.46/57,255.16 = 17,121.68/x
  3. Step 3: Cross multiply
    38,185.46x = 57,255.16 × 17,121.68
  4. Step 4: Simplify right side
    38,185.46x = 980,304,527.87
  5. Step 5: Solve for x
    x = 980,304,527.87/38,185.46
  6. Step 6: Final answer
    x = 25,672.19

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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.