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Finding the Fourth Proportional to 36,351.60, 54,529.04 and 18,855.60

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Solution

The fourth proportional to 36,351.60, 54,529.04 and 18,855.60 is: 28,284.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,351.60 : 54,529.04 = 18,855.60 : x
  2. Step 2: Convert to fraction form
    36,351.60/54,529.04 = 18,855.60/x
  3. Step 3: Cross multiply
    36,351.60x = 54,529.04 × 18,855.60
  4. Step 4: Simplify right side
    36,351.60x = 1,028,177,766.62
  5. Step 5: Solve for x
    x = 1,028,177,766.62/36,351.60
  6. Step 6: Final answer
    x = 28,284.25

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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.