Home / 38,022.31-57,013.91-13,055.61

Finding the Fourth Proportional to 38,022.31, 57,013.91 and 13,055.61

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Solution

The fourth proportional to 38,022.31, 57,013.91 and 13,055.61 is: 19,576.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,022.31 : 57,013.91 = 13,055.61 : x
  2. Step 2: Convert to fraction form
    38,022.31/57,013.91 = 13,055.61/x
  3. Step 3: Cross multiply
    38,022.31x = 57,013.91 × 13,055.61
  4. Step 4: Simplify right side
    38,022.31x = 744,351,571.02
  5. Step 5: Solve for x
    x = 744,351,571.02/38,022.31
  6. Step 6: Final answer
    x = 19,576.71

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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.