Home / 29,819.20-41,152.62-19,730.02

Finding the Fourth Proportional to 29,819.20, 41,152.62 and 19,730.02

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Solution

The fourth proportional to 29,819.20, 41,152.62 and 19,730.02 is: 27,228.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,819.20 : 41,152.62 = 19,730.02 : x
  2. Step 2: Convert to fraction form
    29,819.20/41,152.62 = 19,730.02/x
  3. Step 3: Cross multiply
    29,819.20x = 41,152.62 × 19,730.02
  4. Step 4: Simplify right side
    29,819.20x = 811,942,015.65
  5. Step 5: Solve for x
    x = 811,942,015.65/29,819.20
  6. Step 6: Final answer
    x = 27,228.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.