Home / 34,753.22-52,121.82-20,717.20

Finding the Fourth Proportional to 34,753.22, 52,121.82 and 20,717.20

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Solution

The fourth proportional to 34,753.22, 52,121.82 and 20,717.20 is: 31,071.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,753.22 : 52,121.82 = 20,717.20 : x
  2. Step 2: Convert to fraction form
    34,753.22/52,121.82 = 20,717.20/x
  3. Step 3: Cross multiply
    34,753.22x = 52,121.82 × 20,717.20
  4. Step 4: Simplify right side
    34,753.22x = 1,079,818,169.30
  5. Step 5: Solve for x
    x = 1,079,818,169.30/34,753.22
  6. Step 6: Final answer
    x = 31,071.03

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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.