Home / 47,811.44-71,667.74-18,221.34

Finding the Fourth Proportional to 47,811.44, 71,667.74 and 18,221.34

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Solution

The fourth proportional to 47,811.44, 71,667.74 and 18,221.34 is: 27,313.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,811.44 : 71,667.74 = 18,221.34 : x
  2. Step 2: Convert to fraction form
    47,811.44/71,667.74 = 18,221.34/x
  3. Step 3: Cross multiply
    47,811.44x = 71,667.74 × 18,221.34
  4. Step 4: Simplify right side
    47,811.44x = 1,305,882,257.57
  5. Step 5: Solve for x
    x = 1,305,882,257.57/47,811.44
  6. Step 6: Final answer
    x = 27,313.18

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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.