Home / 51,910.74-71,638.16-31,767.26

Finding the Fourth Proportional to 51,910.74, 71,638.16 and 31,767.26

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Solution

The fourth proportional to 51,910.74, 71,638.16 and 31,767.26 is: 43,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,910.74 : 71,638.16 = 31,767.26 : x
  2. Step 2: Convert to fraction form
    51,910.74/71,638.16 = 31,767.26/x
  3. Step 3: Cross multiply
    51,910.74x = 71,638.16 × 31,767.26
  4. Step 4: Simplify right side
    51,910.74x = 2,275,747,537.61
  5. Step 5: Solve for x
    x = 2,275,747,537.61/51,910.74
  6. Step 6: Final answer
    x = 43,839.63

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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.