Home / 36,027.96-49,718.12-20,112.68

Finding the Fourth Proportional to 36,027.96, 49,718.12 and 20,112.68

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Solution

The fourth proportional to 36,027.96, 49,718.12 and 20,112.68 is: 27,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,027.96 : 49,718.12 = 20,112.68 : x
  2. Step 2: Convert to fraction form
    36,027.96/49,718.12 = 20,112.68/x
  3. Step 3: Cross multiply
    36,027.96x = 49,718.12 × 20,112.68
  4. Step 4: Simplify right side
    36,027.96x = 999,964,637.76
  5. Step 5: Solve for x
    x = 999,964,637.76/36,027.96
  6. Step 6: Final answer
    x = 27,755.24

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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.