Home / 38,112.30-57,161.97-10,403.82

Finding the Fourth Proportional to 38,112.30, 57,161.97 and 10,403.82

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Solution

The fourth proportional to 38,112.30, 57,161.97 and 10,403.82 is: 15,603.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,112.30 : 57,161.97 = 10,403.82 : x
  2. Step 2: Convert to fraction form
    38,112.30/57,161.97 = 10,403.82/x
  3. Step 3: Cross multiply
    38,112.30x = 57,161.97 × 10,403.82
  4. Step 4: Simplify right side
    38,112.30x = 594,702,846.73
  5. Step 5: Solve for x
    x = 594,702,846.73/38,112.30
  6. Step 6: Final answer
    x = 15,603.96

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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.