Home / 36,027.40-54,049.20-21,228.70

Finding the Fourth Proportional to 36,027.40, 54,049.20 and 21,228.70

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Solution

The fourth proportional to 36,027.40, 54,049.20 and 21,228.70 is: 31,847.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,027.40 : 54,049.20 = 21,228.70 : x
  2. Step 2: Convert to fraction form
    36,027.40/54,049.20 = 21,228.70/x
  3. Step 3: Cross multiply
    36,027.40x = 54,049.20 × 21,228.70
  4. Step 4: Simplify right side
    36,027.40x = 1,147,394,252.04
  5. Step 5: Solve for x
    x = 1,147,394,252.04/36,027.40
  6. Step 6: Final answer
    x = 31,847.82

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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.