Home / 29,380.48-43,977.76-18,836.42

Finding the Fourth Proportional to 29,380.48, 43,977.76 and 18,836.42

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Solution

The fourth proportional to 29,380.48, 43,977.76 and 18,836.42 is: 28,195.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,380.48 : 43,977.76 = 18,836.42 : x
  2. Step 2: Convert to fraction form
    29,380.48/43,977.76 = 18,836.42/x
  3. Step 3: Cross multiply
    29,380.48x = 43,977.76 × 18,836.42
  4. Step 4: Simplify right side
    29,380.48x = 828,383,291.04
  5. Step 5: Solve for x
    x = 828,383,291.04/29,380.48
  6. Step 6: Final answer
    x = 28,195.02

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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.