Home / 33,811.60-46,658.88-18,705.68

Finding the Fourth Proportional to 33,811.60, 46,658.88 and 18,705.68

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Solution

The fourth proportional to 33,811.60, 46,658.88 and 18,705.68 is: 25,813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,811.60 : 46,658.88 = 18,705.68 : x
  2. Step 2: Convert to fraction form
    33,811.60/46,658.88 = 18,705.68/x
  3. Step 3: Cross multiply
    33,811.60x = 46,658.88 × 18,705.68
  4. Step 4: Simplify right side
    33,811.60x = 872,786,078.44
  5. Step 5: Solve for x
    x = 872,786,078.44/33,811.60
  6. Step 6: Final answer
    x = 25,813.21

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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.