Home / 49,408.86-68,177.82-28,186.86

Finding the Fourth Proportional to 49,408.86, 68,177.82 and 28,186.86

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Solution

The fourth proportional to 49,408.86, 68,177.82 and 28,186.86 is: 38,894.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,408.86 : 68,177.82 = 28,186.86 : x
  2. Step 2: Convert to fraction form
    49,408.86/68,177.82 = 28,186.86/x
  3. Step 3: Cross multiply
    49,408.86x = 68,177.82 × 28,186.86
  4. Step 4: Simplify right side
    49,408.86x = 1,921,718,667.45
  5. Step 5: Solve for x
    x = 1,921,718,667.45/49,408.86
  6. Step 6: Final answer
    x = 38,894.21

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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.