Home / 36,914.90-55,396.80-20,286.54

Finding the Fourth Proportional to 36,914.90, 55,396.80 and 20,286.54

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Solution

The fourth proportional to 36,914.90, 55,396.80 and 20,286.54 is: 30,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,914.90 : 55,396.80 = 20,286.54 : x
  2. Step 2: Convert to fraction form
    36,914.90/55,396.80 = 20,286.54/x
  3. Step 3: Cross multiply
    36,914.90x = 55,396.80 × 20,286.54
  4. Step 4: Simplify right side
    36,914.90x = 1,123,809,399.07
  5. Step 5: Solve for x
    x = 1,123,809,399.07/36,914.90
  6. Step 6: Final answer
    x = 30,443.25

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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.