Home / 47,910.92-71,866.36-18,337.80

Finding the Fourth Proportional to 47,910.92, 71,866.36 and 18,337.80

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Solution

The fourth proportional to 47,910.92, 71,866.36 and 18,337.80 is: 27,506.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,910.92 : 71,866.36 = 18,337.80 : x
  2. Step 2: Convert to fraction form
    47,910.92/71,866.36 = 18,337.80/x
  3. Step 3: Cross multiply
    47,910.92x = 71,866.36 × 18,337.80
  4. Step 4: Simplify right side
    47,910.92x = 1,317,870,936.41
  5. Step 5: Solve for x
    x = 1,317,870,936.41/47,910.92
  6. Step 6: Final answer
    x = 27,506.69

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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.