Home / 41,399.45-57,022.41-31,821.02

Finding the Fourth Proportional to 41,399.45, 57,022.41 and 31,821.02

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Solution

The fourth proportional to 41,399.45, 57,022.41 and 31,821.02 is: 43,829.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,399.45 : 57,022.41 = 31,821.02 : x
  2. Step 2: Convert to fraction form
    41,399.45/57,022.41 = 31,821.02/x
  3. Step 3: Cross multiply
    41,399.45x = 57,022.41 × 31,821.02
  4. Step 4: Simplify right side
    41,399.45x = 1,814,511,249.06
  5. Step 5: Solve for x
    x = 1,814,511,249.06/41,399.45
  6. Step 6: Final answer
    x = 43,829.36

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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.