Home / 33,785.68-46,626.60-18,678.80

Finding the Fourth Proportional to 33,785.68, 46,626.60 and 18,678.80

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Solution

The fourth proportional to 33,785.68, 46,626.60 and 18,678.80 is: 25,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,785.68 : 46,626.60 = 18,678.80 : x
  2. Step 2: Convert to fraction form
    33,785.68/46,626.60 = 18,678.80/x
  3. Step 3: Cross multiply
    33,785.68x = 46,626.60 × 18,678.80
  4. Step 4: Simplify right side
    33,785.68x = 870,928,936.08
  5. Step 5: Solve for x
    x = 870,928,936.08/33,785.68
  6. Step 6: Final answer
    x = 25,778.05

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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.