Home / 33,512.16-46,268.42-20,778.86

Finding the Fourth Proportional to 33,512.16, 46,268.42 and 20,778.86

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Solution

The fourth proportional to 33,512.16, 46,268.42 and 20,778.86 is: 28,688.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,512.16 : 46,268.42 = 20,778.86 : x
  2. Step 2: Convert to fraction form
    33,512.16/46,268.42 = 20,778.86/x
  3. Step 3: Cross multiply
    33,512.16x = 46,268.42 × 20,778.86
  4. Step 4: Simplify right side
    33,512.16x = 961,405,021.60
  5. Step 5: Solve for x
    x = 961,405,021.60/33,512.16
  6. Step 6: Final answer
    x = 28,688.24

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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.