Home / 47,965.60-71,958.78-18,383.46

Finding the Fourth Proportional to 47,965.60, 71,958.78 and 18,383.46

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Solution

The fourth proportional to 47,965.60, 71,958.78 and 18,383.46 is: 27,579.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,965.60 : 71,958.78 = 18,383.46 : x
  2. Step 2: Convert to fraction form
    47,965.60/71,958.78 = 18,383.46/x
  3. Step 3: Cross multiply
    47,965.60x = 71,958.78 × 18,383.46
  4. Step 4: Simplify right side
    47,965.60x = 1,322,850,902.07
  5. Step 5: Solve for x
    x = 1,322,850,902.07/47,965.60
  6. Step 6: Final answer
    x = 27,579.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.