Home / 31,821.75-43,914.03-17,674.71

Finding the Fourth Proportional to 31,821.75, 43,914.03 and 17,674.71

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Solution

The fourth proportional to 31,821.75, 43,914.03 and 17,674.71 is: 24,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,821.75 : 43,914.03 = 17,674.71 : x
  2. Step 2: Convert to fraction form
    31,821.75/43,914.03 = 17,674.71/x
  3. Step 3: Cross multiply
    31,821.75x = 43,914.03 × 17,674.71
  4. Step 4: Simplify right side
    31,821.75x = 776,167,745.18
  5. Step 5: Solve for x
    x = 776,167,745.18/31,821.75
  6. Step 6: Final answer
    x = 24,391.11

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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.