Home / 29,579.38-40,826.04-18,822.04

Finding the Fourth Proportional to 29,579.38, 40,826.04 and 18,822.04

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Solution

The fourth proportional to 29,579.38, 40,826.04 and 18,822.04 is: 25,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,579.38 : 40,826.04 = 18,822.04 : x
  2. Step 2: Convert to fraction form
    29,579.38/40,826.04 = 18,822.04/x
  3. Step 3: Cross multiply
    29,579.38x = 40,826.04 × 18,822.04
  4. Step 4: Simplify right side
    29,579.38x = 768,429,357.92
  5. Step 5: Solve for x
    x = 768,429,357.92/29,579.38
  6. Step 6: Final answer
    x = 25,978.55

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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.