Home / 53,879.97-74,351.46-29,676.21

Finding the Fourth Proportional to 53,879.97, 74,351.46 and 29,676.21

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Solution

The fourth proportional to 53,879.97, 74,351.46 and 29,676.21 is: 40,951.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,879.97 : 74,351.46 = 29,676.21 : x
  2. Step 2: Convert to fraction form
    53,879.97/74,351.46 = 29,676.21/x
  3. Step 3: Cross multiply
    53,879.97x = 74,351.46 × 29,676.21
  4. Step 4: Simplify right side
    53,879.97x = 2,206,469,540.77
  5. Step 5: Solve for x
    x = 2,206,469,540.77/53,879.97
  6. Step 6: Final answer
    x = 40,951.57

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1.5x scale

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.