Home / 49,942.33-68,934.32-28,728.43

Finding the Fourth Proportional to 49,942.33, 68,934.32 and 28,728.43

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Solution

The fourth proportional to 49,942.33, 68,934.32 and 28,728.43 is: 39,653.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,942.33 : 68,934.32 = 28,728.43 : x
  2. Step 2: Convert to fraction form
    49,942.33/68,934.32 = 28,728.43/x
  3. Step 3: Cross multiply
    49,942.33x = 68,934.32 × 28,728.43
  4. Step 4: Simplify right side
    49,942.33x = 1,980,374,786.72
  5. Step 5: Solve for x
    x = 1,980,374,786.72/49,942.33
  6. Step 6: Final answer
    x = 39,653.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.