Home / 49,945.16-68,926.40-28,724.43

Finding the Fourth Proportional to 49,945.16, 68,926.40 and 28,724.43

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Solution

The fourth proportional to 49,945.16, 68,926.40 and 28,724.43 is: 39,640.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,945.16 : 68,926.40 = 28,724.43 : x
  2. Step 2: Convert to fraction form
    49,945.16/68,926.40 = 28,724.43/x
  3. Step 3: Cross multiply
    49,945.16x = 68,926.40 × 28,724.43
  4. Step 4: Simplify right side
    49,945.16x = 1,979,871,408.33
  5. Step 5: Solve for x
    x = 1,979,871,408.33/49,945.16
  6. Step 6: Final answer
    x = 39,640.91

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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.