Home / 51,682.70-71,321.20-29,021.86

Finding the Fourth Proportional to 51,682.70, 71,321.20 and 29,021.86

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Solution

The fourth proportional to 51,682.70, 71,321.20 and 29,021.86 is: 40,049.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,682.70 : 71,321.20 = 29,021.86 : x
  2. Step 2: Convert to fraction form
    51,682.70/71,321.20 = 29,021.86/x
  3. Step 3: Cross multiply
    51,682.70x = 71,321.20 × 29,021.86
  4. Step 4: Simplify right side
    51,682.70x = 2,069,873,881.43
  5. Step 5: Solve for x
    x = 2,069,873,881.43/51,682.70
  6. Step 6: Final answer
    x = 40,049.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.