Home / 43,568.72-65,346.89-13,982.73

Finding the Fourth Proportional to 43,568.72, 65,346.89 and 13,982.73

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Solution

The fourth proportional to 43,568.72, 65,346.89 and 13,982.73 is: 20,972.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,568.72 : 65,346.89 = 13,982.73 : x
  2. Step 2: Convert to fraction form
    43,568.72/65,346.89 = 13,982.73/x
  3. Step 3: Cross multiply
    43,568.72x = 65,346.89 × 13,982.73
  4. Step 4: Simplify right side
    43,568.72x = 913,727,919.21
  5. Step 5: Solve for x
    x = 913,727,919.21/43,568.72
  6. Step 6: Final answer
    x = 20,972.11

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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.