Home / 33,630.45-46,383.53-20,876.43

Finding the Fourth Proportional to 33,630.45, 46,383.53 and 20,876.43

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Solution

The fourth proportional to 33,630.45, 46,383.53 and 20,876.43 is: 28,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,630.45 : 46,383.53 = 20,876.43 : x
  2. Step 2: Convert to fraction form
    33,630.45/46,383.53 = 20,876.43/x
  3. Step 3: Cross multiply
    33,630.45x = 46,383.53 × 20,876.43
  4. Step 4: Simplify right side
    33,630.45x = 968,322,412.82
  5. Step 5: Solve for x
    x = 968,322,412.82/33,630.45
  6. Step 6: Final answer
    x = 28,793.03

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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.