Home / 43,321.23-64,976.85-11,729.41

Finding the Fourth Proportional to 43,321.23, 64,976.85 and 11,729.41

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Solution

The fourth proportional to 43,321.23, 64,976.85 and 11,729.41 is: 17,592.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,321.23 : 64,976.85 = 11,729.41 : x
  2. Step 2: Convert to fraction form
    43,321.23/64,976.85 = 11,729.41/x
  3. Step 3: Cross multiply
    43,321.23x = 64,976.85 × 11,729.41
  4. Step 4: Simplify right side
    43,321.23x = 762,139,951.72
  5. Step 5: Solve for x
    x = 762,139,951.72/43,321.23
  6. Step 6: Final answer
    x = 17,592.76

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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.