Home / 33,991.06-46,910.82-20,565.60

Finding the Fourth Proportional to 33,991.06, 46,910.82 and 20,565.60

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Solution

The fourth proportional to 33,991.06, 46,910.82 and 20,565.60 is: 28,382.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,991.06 : 46,910.82 = 20,565.60 : x
  2. Step 2: Convert to fraction form
    33,991.06/46,910.82 = 20,565.60/x
  3. Step 3: Cross multiply
    33,991.06x = 46,910.82 × 20,565.60
  4. Step 4: Simplify right side
    33,991.06x = 964,749,159.79
  5. Step 5: Solve for x
    x = 964,749,159.79/33,991.06
  6. Step 6: Final answer
    x = 28,382.44

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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.