Home / 33,344.70-46,039.78-20,615.33

Finding the Fourth Proportional to 33,344.70, 46,039.78 and 20,615.33

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Solution

The fourth proportional to 33,344.70, 46,039.78 and 20,615.33 is: 28,464.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,344.70 : 46,039.78 = 20,615.33 : x
  2. Step 2: Convert to fraction form
    33,344.70/46,039.78 = 20,615.33/x
  3. Step 3: Cross multiply
    33,344.70x = 46,039.78 × 20,615.33
  4. Step 4: Simplify right side
    33,344.70x = 949,125,321.39
  5. Step 5: Solve for x
    x = 949,125,321.39/33,344.70
  6. Step 6: Final answer
    x = 28,464.05

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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.