Home / 47,906.48-71,842.44-20,206.64

Finding the Fourth Proportional to 47,906.48, 71,842.44 and 20,206.64

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Solution

The fourth proportional to 47,906.48, 71,842.44 and 20,206.64 is: 30,302.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,906.48 : 71,842.44 = 20,206.64 : x
  2. Step 2: Convert to fraction form
    47,906.48/71,842.44 = 20,206.64/x
  3. Step 3: Cross multiply
    47,906.48x = 71,842.44 × 20,206.64
  4. Step 4: Simplify right side
    47,906.48x = 1,451,694,321.80
  5. Step 5: Solve for x
    x = 1,451,694,321.80/47,906.48
  6. Step 6: Final answer
    x = 30,302.67

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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.