Home / 43,564.96-65,353.49-13,991.86

Finding the Fourth Proportional to 43,564.96, 65,353.49 and 13,991.86

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Solution

The fourth proportional to 43,564.96, 65,353.49 and 13,991.86 is: 20,989.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,564.96 : 65,353.49 = 13,991.86 : x
  2. Step 2: Convert to fraction form
    43,564.96/65,353.49 = 13,991.86/x
  3. Step 3: Cross multiply
    43,564.96x = 65,353.49 × 13,991.86
  4. Step 4: Simplify right side
    43,564.96x = 914,416,882.59
  5. Step 5: Solve for x
    x = 914,416,882.59/43,564.96
  6. Step 6: Final answer
    x = 20,989.73

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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.