Home / 43,947.62-65,866.60-21,439.74

Finding the Fourth Proportional to 43,947.62, 65,866.60 and 21,439.74

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Solution

The fourth proportional to 43,947.62, 65,866.60 and 21,439.74 is: 32,132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,947.62 : 65,866.60 = 21,439.74 : x
  2. Step 2: Convert to fraction form
    43,947.62/65,866.60 = 21,439.74/x
  3. Step 3: Cross multiply
    43,947.62x = 65,866.60 × 21,439.74
  4. Step 4: Simplify right side
    43,947.62x = 1,412,162,778.68
  5. Step 5: Solve for x
    x = 1,412,162,778.68/43,947.62
  6. Step 6: Final answer
    x = 32,132.86

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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.