Home / 29,106.11-43,622.63-12,446.55

Finding the Fourth Proportional to 29,106.11, 43,622.63 and 12,446.55

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Solution

The fourth proportional to 29,106.11, 43,622.63 and 12,446.55 is: 18,654.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,106.11 : 43,622.63 = 12,446.55 : x
  2. Step 2: Convert to fraction form
    29,106.11/43,622.63 = 12,446.55/x
  3. Step 3: Cross multiply
    29,106.11x = 43,622.63 × 12,446.55
  4. Step 4: Simplify right side
    29,106.11x = 542,951,027.31
  5. Step 5: Solve for x
    x = 542,951,027.31/29,106.11
  6. Step 6: Final answer
    x = 18,654.19

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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.