Home / 20,175.54-30,268.04-19,840.83

Finding the Fourth Proportional to 20,175.54, 30,268.04 and 19,840.83

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Solution

The fourth proportional to 20,175.54, 30,268.04 and 19,840.83 is: 29,765.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.54 : 30,268.04 = 19,840.83 : x
  2. Step 2: Convert to fraction form
    20,175.54/30,268.04 = 19,840.83/x
  3. Step 3: Cross multiply
    20,175.54x = 30,268.04 × 19,840.83
  4. Step 4: Simplify right side
    20,175.54x = 600,542,936.87
  5. Step 5: Solve for x
    x = 600,542,936.87/20,175.54
  6. Step 6: Final answer
    x = 29,765.89

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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.