Home / 47,808.39-71,709.82-18,229.21

Finding the Fourth Proportional to 47,808.39, 71,709.82 and 18,229.21

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Solution

The fourth proportional to 47,808.39, 71,709.82 and 18,229.21 is: 27,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,808.39 : 71,709.82 = 18,229.21 : x
  2. Step 2: Convert to fraction form
    47,808.39/71,709.82 = 18,229.21/x
  3. Step 3: Cross multiply
    47,808.39x = 71,709.82 × 18,229.21
  4. Step 4: Simplify right side
    47,808.39x = 1,307,213,367.84
  5. Step 5: Solve for x
    x = 1,307,213,367.84/47,808.39
  6. Step 6: Final answer
    x = 27,342.76

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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.