Home / 29,321.21-43,981.87-7,134.60

Finding the Fourth Proportional to 29,321.21, 43,981.87 and 7,134.60

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Solution

The fourth proportional to 29,321.21, 43,981.87 and 7,134.60 is: 10,701.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,321.21 : 43,981.87 = 7,134.60 : x
  2. Step 2: Convert to fraction form
    29,321.21/43,981.87 = 7,134.60/x
  3. Step 3: Cross multiply
    29,321.21x = 43,981.87 × 7,134.60
  4. Step 4: Simplify right side
    29,321.21x = 313,793,049.70
  5. Step 5: Solve for x
    x = 313,793,049.70/29,321.21
  6. Step 6: Final answer
    x = 10,701.91

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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.