Home / 49,723.20-74,584.80-39,881.70

Finding the Fourth Proportional to 49,723.20, 74,584.80 and 39,881.70

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Solution

The fourth proportional to 49,723.20, 74,584.80 and 39,881.70 is: 59,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,723.20 : 74,584.80 = 39,881.70 : x
  2. Step 2: Convert to fraction form
    49,723.20/74,584.80 = 39,881.70/x
  3. Step 3: Cross multiply
    49,723.20x = 74,584.80 × 39,881.70
  4. Step 4: Simplify right side
    49,723.20x = 2,974,568,618.16
  5. Step 5: Solve for x
    x = 2,974,568,618.16/49,723.20
  6. Step 6: Final answer
    x = 59,822.55

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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.