Home / 36,685.82-55,028.79-11,727.89

Finding the Fourth Proportional to 36,685.82, 55,028.79 and 11,727.89

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Solution

The fourth proportional to 36,685.82, 55,028.79 and 11,727.89 is: 17,591.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,685.82 : 55,028.79 = 11,727.89 : x
  2. Step 2: Convert to fraction form
    36,685.82/55,028.79 = 11,727.89/x
  3. Step 3: Cross multiply
    36,685.82x = 55,028.79 × 11,727.89
  4. Step 4: Simplify right side
    36,685.82x = 645,371,320.81
  5. Step 5: Solve for x
    x = 645,371,320.81/36,685.82
  6. Step 6: Final answer
    x = 17,591.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.