Home / 47,944.79-71,917.79-18,364.40

Finding the Fourth Proportional to 47,944.79, 71,917.79 and 18,364.40

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Solution

The fourth proportional to 47,944.79, 71,917.79 and 18,364.40 is: 27,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,944.79 : 71,917.79 = 18,364.40 : x
  2. Step 2: Convert to fraction form
    47,944.79/71,917.79 = 18,364.40/x
  3. Step 3: Cross multiply
    47,944.79x = 71,917.79 × 18,364.40
  4. Step 4: Simplify right side
    47,944.79x = 1,320,726,611.27
  5. Step 5: Solve for x
    x = 1,320,726,611.27/47,944.79
  6. Step 6: Final answer
    x = 27,546.83

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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.