Home / 33,540.80-46,276.19-20,107.16

Finding the Fourth Proportional to 33,540.80, 46,276.19 and 20,107.16

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Solution

The fourth proportional to 33,540.80, 46,276.19 and 20,107.16 is: 27,741.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,540.80 : 46,276.19 = 20,107.16 : x
  2. Step 2: Convert to fraction form
    33,540.80/46,276.19 = 20,107.16/x
  3. Step 3: Cross multiply
    33,540.80x = 46,276.19 × 20,107.16
  4. Step 4: Simplify right side
    33,540.80x = 930,482,424.60
  5. Step 5: Solve for x
    x = 930,482,424.60/33,540.80
  6. Step 6: Final answer
    x = 27,741.81

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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.