Home / 35,120.00-52,616.21-20,297.61

Finding the Fourth Proportional to 35,120.00, 52,616.21 and 20,297.61

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Solution

The fourth proportional to 35,120.00, 52,616.21 and 20,297.61 is: 30,409.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,120.00 : 52,616.21 = 20,297.61 : x
  2. Step 2: Convert to fraction form
    35,120.00/52,616.21 = 20,297.61/x
  3. Step 3: Cross multiply
    35,120.00x = 52,616.21 × 20,297.61
  4. Step 4: Simplify right side
    35,120.00x = 1,067,983,208.77
  5. Step 5: Solve for x
    x = 1,067,983,208.77/35,120.00
  6. Step 6: Final answer
    x = 30,409.54

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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.