Home / 36,187.20-54,268-17,209.60

Finding the Fourth Proportional to 36,187.20, 54,268 and 17,209.60

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Solution

The fourth proportional to 36,187.20, 54,268 and 17,209.60 is: 25,808.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,187.20 : 54,268 = 17,209.60 : x
  2. Step 2: Convert to fraction form
    36,187.20/54,268 = 17,209.60/x
  3. Step 3: Cross multiply
    36,187.20x = 54,268 × 17,209.60
  4. Step 4: Simplify right side
    36,187.20x = 933,930,572.80
  5. Step 5: Solve for x
    x = 933,930,572.80/36,187.20
  6. Step 6: Final answer
    x = 25,808.31

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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.