Home / 33,843.21-46,683.20-21,739.61

Finding the Fourth Proportional to 33,843.21, 46,683.20 and 21,739.61

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Solution

The fourth proportional to 33,843.21, 46,683.20 and 21,739.61 is: 29,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,843.21 : 46,683.20 = 21,739.61 : x
  2. Step 2: Convert to fraction form
    33,843.21/46,683.20 = 21,739.61/x
  3. Step 3: Cross multiply
    33,843.21x = 46,683.20 × 21,739.61
  4. Step 4: Simplify right side
    33,843.21x = 1,014,874,219.44
  5. Step 5: Solve for x
    x = 1,014,874,219.44/33,843.21
  6. Step 6: Final answer
    x = 29,987.53

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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.