Home / 49,821.97-68,715.44-31,918.64

Finding the Fourth Proportional to 49,821.97, 68,715.44 and 31,918.64

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Solution

The fourth proportional to 49,821.97, 68,715.44 and 31,918.64 is: 44,022.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,821.97 : 68,715.44 = 31,918.64 : x
  2. Step 2: Convert to fraction form
    49,821.97/68,715.44 = 31,918.64/x
  3. Step 3: Cross multiply
    49,821.97x = 68,715.44 × 31,918.64
  4. Step 4: Simplify right side
    49,821.97x = 2,193,303,391.80
  5. Step 5: Solve for x
    x = 2,193,303,391.80/49,821.97
  6. Step 6: Final answer
    x = 44,022.82

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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.