Home / 80,891.82-121,338-24,731.71

Finding the Fourth Proportional to 80,891.82, 121,338 and 24,731.71

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Solution

The fourth proportional to 80,891.82, 121,338 and 24,731.71 is: 37,097.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,891.82 : 121,338 = 24,731.71 : x
  2. Step 2: Convert to fraction form
    80,891.82/121,338 = 24,731.71/x
  3. Step 3: Cross multiply
    80,891.82x = 121,338 × 24,731.71
  4. Step 4: Simplify right side
    80,891.82x = 3,000,895,924.64
  5. Step 5: Solve for x
    x = 3,000,895,924.64/80,891.82
  6. Step 6: Final answer
    x = 37,097.64

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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.