Home / 20,704.97-31,058.48-5,916.06

Finding the Fourth Proportional to 20,704.97, 31,058.48 and 5,916.06

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Solution

The fourth proportional to 20,704.97, 31,058.48 and 5,916.06 is: 8,874.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,704.97 : 31,058.48 = 5,916.06 : x
  2. Step 2: Convert to fraction form
    20,704.97/31,058.48 = 5,916.06/x
  3. Step 3: Cross multiply
    20,704.97x = 31,058.48 × 5,916.06
  4. Step 4: Simplify right side
    20,704.97x = 183,743,891.73
  5. Step 5: Solve for x
    x = 183,743,891.73/20,704.97
  6. Step 6: Final answer
    x = 8,874.39

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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.