Home / 20,704.83-31,058.27-5,915.95

Finding the Fourth Proportional to 20,704.83, 31,058.27 and 5,915.95

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Solution

The fourth proportional to 20,704.83, 31,058.27 and 5,915.95 is: 8,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,704.83 : 31,058.27 = 5,915.95 : x
  2. Step 2: Convert to fraction form
    20,704.83/31,058.27 = 5,915.95/x
  3. Step 3: Cross multiply
    20,704.83x = 31,058.27 × 5,915.95
  4. Step 4: Simplify right side
    20,704.83x = 183,739,087.37
  5. Step 5: Solve for x
    x = 183,739,087.37/20,704.83
  6. Step 6: Final answer
    x = 8,874.22

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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.