Home / 20,819.70-31,233.60-6,029.10

Finding the Fourth Proportional to 20,819.70, 31,233.60 and 6,029.10

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Solution

The fourth proportional to 20,819.70, 31,233.60 and 6,029.10 is: 9,044.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,819.70 : 31,233.60 = 6,029.10 : x
  2. Step 2: Convert to fraction form
    20,819.70/31,233.60 = 6,029.10/x
  3. Step 3: Cross multiply
    20,819.70x = 31,233.60 × 6,029.10
  4. Step 4: Simplify right side
    20,819.70x = 188,310,497.76
  5. Step 5: Solve for x
    x = 188,310,497.76/20,819.70
  6. Step 6: Final answer
    x = 9,044.82

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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.