Home / 49,122.78-73,613.77-28,019.14

Finding the Fourth Proportional to 49,122.78, 73,613.77 and 28,019.14

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Solution

The fourth proportional to 49,122.78, 73,613.77 and 28,019.14 is: 41,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,122.78 : 73,613.77 = 28,019.14 : x
  2. Step 2: Convert to fraction form
    49,122.78/73,613.77 = 28,019.14/x
  3. Step 3: Cross multiply
    49,122.78x = 73,613.77 × 28,019.14
  4. Step 4: Simplify right side
    49,122.78x = 2,062,594,527.56
  5. Step 5: Solve for x
    x = 2,062,594,527.56/49,122.78
  6. Step 6: Final answer
    x = 41,988.55

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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.