Home / 49,780.93-74,668.97-18,613.75

Finding the Fourth Proportional to 49,780.93, 74,668.97 and 18,613.75

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Solution

The fourth proportional to 49,780.93, 74,668.97 and 18,613.75 is: 27,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,780.93 : 74,668.97 = 18,613.75 : x
  2. Step 2: Convert to fraction form
    49,780.93/74,668.97 = 18,613.75/x
  3. Step 3: Cross multiply
    49,780.93x = 74,668.97 × 18,613.75
  4. Step 4: Simplify right side
    49,780.93x = 1,389,869,447.27
  5. Step 5: Solve for x
    x = 1,389,869,447.27/49,780.93
  6. Step 6: Final answer
    x = 27,919.72

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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.