Home / 36,027.20-49,719.48-20,111.96

Finding the Fourth Proportional to 36,027.20, 49,719.48 and 20,111.96

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Solution

The fourth proportional to 36,027.20, 49,719.48 and 20,111.96 is: 27,755.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,027.20 : 49,719.48 = 20,111.96 : x
  2. Step 2: Convert to fraction form
    36,027.20/49,719.48 = 20,111.96/x
  3. Step 3: Cross multiply
    36,027.20x = 49,719.48 × 20,111.96
  4. Step 4: Simplify right side
    36,027.20x = 999,956,192.98
  5. Step 5: Solve for x
    x = 999,956,192.98/36,027.20
  6. Step 6: Final answer
    x = 27,755.59

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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.