Home / 49,489.31-68,295.35-28,268.53

Finding the Fourth Proportional to 49,489.31, 68,295.35 and 28,268.53

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Solution

The fourth proportional to 49,489.31, 68,295.35 and 28,268.53 is: 39,010.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,489.31 : 68,295.35 = 28,268.53 : x
  2. Step 2: Convert to fraction form
    49,489.31/68,295.35 = 28,268.53/x
  3. Step 3: Cross multiply
    49,489.31x = 68,295.35 × 28,268.53
  4. Step 4: Simplify right side
    49,489.31x = 1,930,609,050.27
  5. Step 5: Solve for x
    x = 1,930,609,050.27/49,489.31
  6. Step 6: Final answer
    x = 39,010.63

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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.