Home / 43,643.85-65,456.52-19,944.66

Finding the Fourth Proportional to 43,643.85, 65,456.52 and 19,944.66

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Solution

The fourth proportional to 43,643.85, 65,456.52 and 19,944.66 is: 29,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,643.85 : 65,456.52 = 19,944.66 : x
  2. Step 2: Convert to fraction form
    43,643.85/65,456.52 = 19,944.66/x
  3. Step 3: Cross multiply
    43,643.85x = 65,456.52 × 19,944.66
  4. Step 4: Simplify right side
    43,643.85x = 1,305,508,036.18
  5. Step 5: Solve for x
    x = 1,305,508,036.18/43,643.85
  6. Step 6: Final answer
    x = 29,912.76

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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.