Home / 36,850.62-55,286.69-11,890.16

Finding the Fourth Proportional to 36,850.62, 55,286.69 and 11,890.16

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Solution

The fourth proportional to 36,850.62, 55,286.69 and 11,890.16 is: 17,838.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,850.62 : 55,286.69 = 11,890.16 : x
  2. Step 2: Convert to fraction form
    36,850.62/55,286.69 = 11,890.16/x
  3. Step 3: Cross multiply
    36,850.62x = 55,286.69 × 11,890.16
  4. Step 4: Simplify right side
    36,850.62x = 657,367,254.09
  5. Step 5: Solve for x
    x = 657,367,254.09/36,850.62
  6. Step 6: Final answer
    x = 17,838.70

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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.