Home / 31,223.25-46,834.92-12,755.25

Finding the Fourth Proportional to 31,223.25, 46,834.92 and 12,755.25

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Solution

The fourth proportional to 31,223.25, 46,834.92 and 12,755.25 is: 19,132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,223.25 : 46,834.92 = 12,755.25 : x
  2. Step 2: Convert to fraction form
    31,223.25/46,834.92 = 12,755.25/x
  3. Step 3: Cross multiply
    31,223.25x = 46,834.92 × 12,755.25
  4. Step 4: Simplify right side
    31,223.25x = 597,391,113.33
  5. Step 5: Solve for x
    x = 597,391,113.33/31,223.25
  6. Step 6: Final answer
    x = 19,132.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.