Home / 29,014.62-43,422.49-20,140.03

Finding the Fourth Proportional to 29,014.62, 43,422.49 and 20,140.03

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Solution

The fourth proportional to 29,014.62, 43,422.49 and 20,140.03 is: 30,141.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,014.62 : 43,422.49 = 20,140.03 : x
  2. Step 2: Convert to fraction form
    29,014.62/43,422.49 = 20,140.03/x
  3. Step 3: Cross multiply
    29,014.62x = 43,422.49 × 20,140.03
  4. Step 4: Simplify right side
    29,014.62x = 874,530,251.27
  5. Step 5: Solve for x
    x = 874,530,251.27/29,014.62
  6. Step 6: Final answer
    x = 30,141.02

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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.