Home / 33,865.45-46,734.66-20,434.12

Finding the Fourth Proportional to 33,865.45, 46,734.66 and 20,434.12

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Solution

The fourth proportional to 33,865.45, 46,734.66 and 20,434.12 is: 28,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,865.45 : 46,734.66 = 20,434.12 : x
  2. Step 2: Convert to fraction form
    33,865.45/46,734.66 = 20,434.12/x
  3. Step 3: Cross multiply
    33,865.45x = 46,734.66 × 20,434.12
  4. Step 4: Simplify right side
    33,865.45x = 954,981,650.60
  5. Step 5: Solve for x
    x = 954,981,650.60/33,865.45
  6. Step 6: Final answer
    x = 28,199.29

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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.