Home / 34,753.74-52,122.57-20,717.70

Finding the Fourth Proportional to 34,753.74, 52,122.57 and 20,717.70

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Solution

The fourth proportional to 34,753.74, 52,122.57 and 20,717.70 is: 31,071.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,753.74 : 52,122.57 = 20,717.70 : x
  2. Step 2: Convert to fraction form
    34,753.74/52,122.57 = 20,717.70/x
  3. Step 3: Cross multiply
    34,753.74x = 52,122.57 × 20,717.70
  4. Step 4: Simplify right side
    34,753.74x = 1,079,859,768.49
  5. Step 5: Solve for x
    x = 1,079,859,768.49/34,753.74
  6. Step 6: Final answer
    x = 31,071.76

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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.