Home / 36,286.75-50,066.95-21,170.78

Finding the Fourth Proportional to 36,286.75, 50,066.95 and 21,170.78

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Solution

The fourth proportional to 36,286.75, 50,066.95 and 21,170.78 is: 29,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,286.75 : 50,066.95 = 21,170.78 : x
  2. Step 2: Convert to fraction form
    36,286.75/50,066.95 = 21,170.78/x
  3. Step 3: Cross multiply
    36,286.75x = 50,066.95 × 21,170.78
  4. Step 4: Simplify right side
    36,286.75x = 1,059,956,383.72
  5. Step 5: Solve for x
    x = 1,059,956,383.72/36,286.75
  6. Step 6: Final answer
    x = 29,210.56

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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.