Home / 36,375.36-54,491.68-18,856.64

Finding the Fourth Proportional to 36,375.36, 54,491.68 and 18,856.64

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Solution

The fourth proportional to 36,375.36, 54,491.68 and 18,856.64 is: 28,247.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,375.36 : 54,491.68 = 18,856.64 : x
  2. Step 2: Convert to fraction form
    36,375.36/54,491.68 = 18,856.64/x
  3. Step 3: Cross multiply
    36,375.36x = 54,491.68 × 18,856.64
  4. Step 4: Simplify right side
    36,375.36x = 1,027,529,992.76
  5. Step 5: Solve for x
    x = 1,027,529,992.76/36,375.36
  6. Step 6: Final answer
    x = 28,247.97

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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.