Home / 41,978.24-57,930.36-23,115.44

Finding the Fourth Proportional to 41,978.24, 57,930.36 and 23,115.44

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Solution

The fourth proportional to 41,978.24, 57,930.36 and 23,115.44 is: 31,899.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,978.24 : 57,930.36 = 23,115.44 : x
  2. Step 2: Convert to fraction form
    41,978.24/57,930.36 = 23,115.44/x
  3. Step 3: Cross multiply
    41,978.24x = 57,930.36 × 23,115.44
  4. Step 4: Simplify right side
    41,978.24x = 1,339,085,760.76
  5. Step 5: Solve for x
    x = 1,339,085,760.76/41,978.24
  6. Step 6: Final answer
    x = 31,899.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.