Home / 43,561.92-65,292.26-19,833.78

Finding the Fourth Proportional to 43,561.92, 65,292.26 and 19,833.78

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Solution

The fourth proportional to 43,561.92, 65,292.26 and 19,833.78 is: 29,727.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,561.92 : 65,292.26 = 19,833.78 : x
  2. Step 2: Convert to fraction form
    43,561.92/65,292.26 = 19,833.78/x
  3. Step 3: Cross multiply
    43,561.92x = 65,292.26 × 19,833.78
  4. Step 4: Simplify right side
    43,561.92x = 1,294,992,221.37
  5. Step 5: Solve for x
    x = 1,294,992,221.37/43,561.92
  6. Step 6: Final answer
    x = 29,727.62

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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.