Home / 49,808.68-74,711.80-18,225.97

Finding the Fourth Proportional to 49,808.68, 74,711.80 and 18,225.97

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Solution

The fourth proportional to 49,808.68, 74,711.80 and 18,225.97 is: 27,338.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,808.68 : 74,711.80 = 18,225.97 : x
  2. Step 2: Convert to fraction form
    49,808.68/74,711.80 = 18,225.97/x
  3. Step 3: Cross multiply
    49,808.68x = 74,711.80 × 18,225.97
  4. Step 4: Simplify right side
    49,808.68x = 1,361,694,560.76
  5. Step 5: Solve for x
    x = 1,361,694,560.76/49,808.68
  6. Step 6: Final answer
    x = 27,338.50

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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.