Home / 29,288.52-43,938.30-11,759.72

Finding the Fourth Proportional to 29,288.52, 43,938.30 and 11,759.72

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Solution

The fourth proportional to 29,288.52, 43,938.30 and 11,759.72 is: 17,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,288.52 : 43,938.30 = 11,759.72 : x
  2. Step 2: Convert to fraction form
    29,288.52/43,938.30 = 11,759.72/x
  3. Step 3: Cross multiply
    29,288.52x = 43,938.30 × 11,759.72
  4. Step 4: Simplify right side
    29,288.52x = 516,702,105.28
  5. Step 5: Solve for x
    x = 516,702,105.28/29,288.52
  6. Step 6: Final answer
    x = 17,641.80

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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.