Home / 36,027.21-49,715.46-20,112.66

Finding the Fourth Proportional to 36,027.21, 49,715.46 and 20,112.66

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Solution

The fourth proportional to 36,027.21, 49,715.46 and 20,112.66 is: 27,754.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,027.21 : 49,715.46 = 20,112.66 : x
  2. Step 2: Convert to fraction form
    36,027.21/49,715.46 = 20,112.66/x
  3. Step 3: Cross multiply
    36,027.21x = 49,715.46 × 20,112.66
  4. Step 4: Simplify right side
    36,027.21x = 999,910,143.72
  5. Step 5: Solve for x
    x = 999,910,143.72/36,027.21
  6. Step 6: Final answer
    x = 27,754.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.