Home / 29,189.20-43,783.38-19,805.92

Finding the Fourth Proportional to 29,189.20, 43,783.38 and 19,805.92

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Solution

The fourth proportional to 29,189.20, 43,783.38 and 19,805.92 is: 29,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,189.20 : 43,783.38 = 19,805.92 : x
  2. Step 2: Convert to fraction form
    29,189.20/43,783.38 = 19,805.92/x
  3. Step 3: Cross multiply
    29,189.20x = 43,783.38 × 19,805.92
  4. Step 4: Simplify right side
    29,189.20x = 867,170,121.61
  5. Step 5: Solve for x
    x = 867,170,121.61/29,189.20
  6. Step 6: Final answer
    x = 29,708.60

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1.5x scale

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.