Home / 38,017.93-57,034.49-11,721.69

Finding the Fourth Proportional to 38,017.93, 57,034.49 and 11,721.69

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Solution

The fourth proportional to 38,017.93, 57,034.49 and 11,721.69 is: 17,584.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,017.93 : 57,034.49 = 11,721.69 : x
  2. Step 2: Convert to fraction form
    38,017.93/57,034.49 = 11,721.69/x
  3. Step 3: Cross multiply
    38,017.93x = 57,034.49 × 11,721.69
  4. Step 4: Simplify right side
    38,017.93x = 668,540,611.09
  5. Step 5: Solve for x
    x = 668,540,611.09/38,017.93
  6. Step 6: Final answer
    x = 17,584.88

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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.