Home / 36,028.15-49,716.77-20,113.61

Finding the Fourth Proportional to 36,028.15, 49,716.77 and 20,113.61

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Solution

The fourth proportional to 36,028.15, 49,716.77 and 20,113.61 is: 27,755.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,028.15 : 49,716.77 = 20,113.61 : x
  2. Step 2: Convert to fraction form
    36,028.15/49,716.77 = 20,113.61/x
  3. Step 3: Cross multiply
    36,028.15x = 49,716.77 × 20,113.61
  4. Step 4: Simplify right side
    36,028.15x = 999,983,523.94
  5. Step 5: Solve for x
    x = 999,983,523.94/36,028.15
  6. Step 6: Final answer
    x = 27,755.62

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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.