Home / 49,975.70-68,968.53-28,755.05

Finding the Fourth Proportional to 49,975.70, 68,968.53 and 28,755.05

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Solution

The fourth proportional to 49,975.70, 68,968.53 and 28,755.05 is: 39,683.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,975.70 : 68,968.53 = 28,755.05 : x
  2. Step 2: Convert to fraction form
    49,975.70/68,968.53 = 28,755.05/x
  3. Step 3: Cross multiply
    49,975.70x = 68,968.53 × 28,755.05
  4. Step 4: Simplify right side
    49,975.70x = 1,983,193,183.73
  5. Step 5: Solve for x
    x = 1,983,193,183.73/49,975.70
  6. Step 6: Final answer
    x = 39,683.15

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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.