Home / 41,755.80-62,640.60-20,696.82

Finding the Fourth Proportional to 41,755.80, 62,640.60 and 20,696.82

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Solution

The fourth proportional to 41,755.80, 62,640.60 and 20,696.82 is: 31,048.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,755.80 : 62,640.60 = 20,696.82 : x
  2. Step 2: Convert to fraction form
    41,755.80/62,640.60 = 20,696.82/x
  3. Step 3: Cross multiply
    41,755.80x = 62,640.60 × 20,696.82
  4. Step 4: Simplify right side
    41,755.80x = 1,296,461,222.89
  5. Step 5: Solve for x
    x = 1,296,461,222.89/41,755.80
  6. Step 6: Final answer
    x = 31,048.65

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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.