Home / 20,819.94-31,230.06-6,028.83

Finding the Fourth Proportional to 20,819.94, 31,230.06 and 6,028.83

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Solution

The fourth proportional to 20,819.94, 31,230.06 and 6,028.83 is: 9,043.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,819.94 : 31,230.06 = 6,028.83 : x
  2. Step 2: Convert to fraction form
    20,819.94/31,230.06 = 6,028.83/x
  3. Step 3: Cross multiply
    20,819.94x = 31,230.06 × 6,028.83
  4. Step 4: Simplify right side
    20,819.94x = 188,280,700.02
  5. Step 5: Solve for x
    x = 188,280,700.02/20,819.94
  6. Step 6: Final answer
    x = 9,043.29

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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.