Home / 33,628.51-46,403.91-20,705.73

Finding the Fourth Proportional to 33,628.51, 46,403.91 and 20,705.73

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Solution

The fourth proportional to 33,628.51, 46,403.91 and 20,705.73 is: 28,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,628.51 : 46,403.91 = 20,705.73 : x
  2. Step 2: Convert to fraction form
    33,628.51/46,403.91 = 20,705.73/x
  3. Step 3: Cross multiply
    33,628.51x = 46,403.91 × 20,705.73
  4. Step 4: Simplify right side
    33,628.51x = 960,826,863.53
  5. Step 5: Solve for x
    x = 960,826,863.53/33,628.51
  6. Step 6: Final answer
    x = 28,571.80

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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.