Home / 29,164.34-43,709.60-18,630.29

Finding the Fourth Proportional to 29,164.34, 43,709.60 and 18,630.29

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Solution

The fourth proportional to 29,164.34, 43,709.60 and 18,630.29 is: 27,921.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,164.34 : 43,709.60 = 18,630.29 : x
  2. Step 2: Convert to fraction form
    29,164.34/43,709.60 = 18,630.29/x
  3. Step 3: Cross multiply
    29,164.34x = 43,709.60 × 18,630.29
  4. Step 4: Simplify right side
    29,164.34x = 814,322,523.78
  5. Step 5: Solve for x
    x = 814,322,523.78/29,164.34
  6. Step 6: Final answer
    x = 27,921.86

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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.