Home / 35,086.39-48,402.97-20,173.75

Finding the Fourth Proportional to 35,086.39, 48,402.97 and 20,173.75

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Solution

The fourth proportional to 35,086.39, 48,402.97 and 20,173.75 is: 27,830.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,086.39 : 48,402.97 = 20,173.75 : x
  2. Step 2: Convert to fraction form
    35,086.39/48,402.97 = 20,173.75/x
  3. Step 3: Cross multiply
    35,086.39x = 48,402.97 × 20,173.75
  4. Step 4: Simplify right side
    35,086.39x = 976,469,416.04
  5. Step 5: Solve for x
    x = 976,469,416.04/35,086.39
  6. Step 6: Final answer
    x = 27,830.43

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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.