Home / 65,745.92-90,727.68-35,936

Finding the Fourth Proportional to 65,745.92, 90,727.68 and 35,936

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Solution

The fourth proportional to 65,745.92, 90,727.68 and 35,936 is: 49,590.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,745.92 : 90,727.68 = 35,936 : x
  2. Step 2: Convert to fraction form
    65,745.92/90,727.68 = 35,936/x
  3. Step 3: Cross multiply
    65,745.92x = 90,727.68 × 35,936
  4. Step 4: Simplify right side
    65,745.92x = 3,260,389,908.48
  5. Step 5: Solve for x
    x = 3,260,389,908.48/65,745.92
  6. Step 6: Final answer
    x = 49,590.76

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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.