Home / 65,617.20-90,550.71-36,936.79

Finding the Fourth Proportional to 65,617.20, 90,550.71 and 36,936.79

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Solution

The fourth proportional to 65,617.20, 90,550.71 and 36,936.79 is: 50,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,617.20 : 90,550.71 = 36,936.79 : x
  2. Step 2: Convert to fraction form
    65,617.20/90,550.71 = 36,936.79/x
  3. Step 3: Cross multiply
    65,617.20x = 90,550.71 × 36,936.79
  4. Step 4: Simplify right side
    65,617.20x = 3,344,652,559.62
  5. Step 5: Solve for x
    x = 3,344,652,559.62/65,617.20
  6. Step 6: Final answer
    x = 50,972.19

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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.