Home / 71,818.26-107,686.35-21,883.56

Finding the Fourth Proportional to 71,818.26, 107,686.35 and 21,883.56

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Solution

The fourth proportional to 71,818.26, 107,686.35 and 21,883.56 is: 32,812.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,818.26 : 107,686.35 = 21,883.56 : x
  2. Step 2: Convert to fraction form
    71,818.26/107,686.35 = 21,883.56/x
  3. Step 3: Cross multiply
    71,818.26x = 107,686.35 × 21,883.56
  4. Step 4: Simplify right side
    71,818.26x = 2,356,560,701.41
  5. Step 5: Solve for x
    x = 2,356,560,701.41/71,818.26
  6. Step 6: Final answer
    x = 32,812.83

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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.