Home / 49,947.93-68,930.19-28,727.19

Finding the Fourth Proportional to 49,947.93, 68,930.19 and 28,727.19

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Solution

The fourth proportional to 49,947.93, 68,930.19 and 28,727.19 is: 39,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,947.93 : 68,930.19 = 28,727.19 : x
  2. Step 2: Convert to fraction form
    49,947.93/68,930.19 = 28,727.19/x
  3. Step 3: Cross multiply
    49,947.93x = 68,930.19 × 28,727.19
  4. Step 4: Simplify right side
    49,947.93x = 1,980,170,664.87
  5. Step 5: Solve for x
    x = 1,980,170,664.87/49,947.93
  6. Step 6: Final answer
    x = 39,644.70

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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.