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Finding the Fourth Proportional to 33,993.54, 46,914.27 and 20,568.12

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Solution

The fourth proportional to 33,993.54, 46,914.27 and 20,568.12 is: 28,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,993.54 : 46,914.27 = 20,568.12 : x
  2. Step 2: Convert to fraction form
    33,993.54/46,914.27 = 20,568.12/x
  3. Step 3: Cross multiply
    33,993.54x = 46,914.27 × 20,568.12
  4. Step 4: Simplify right side
    33,993.54x = 964,938,335.07
  5. Step 5: Solve for x
    x = 964,938,335.07/33,993.54
  6. Step 6: Final answer
    x = 28,385.93

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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.