Home / 47,910.20-71,859.83-12,847.13

Finding the Fourth Proportional to 47,910.20, 71,859.83 and 12,847.13

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Solution

The fourth proportional to 47,910.20, 71,859.83 and 12,847.13 is: 19,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,910.20 : 71,859.83 = 12,847.13 : x
  2. Step 2: Convert to fraction form
    47,910.20/71,859.83 = 12,847.13/x
  3. Step 3: Cross multiply
    47,910.20x = 71,859.83 × 12,847.13
  4. Step 4: Simplify right side
    47,910.20x = 923,192,154.25
  5. Step 5: Solve for x
    x = 923,192,154.25/47,910.20
  6. Step 6: Final answer
    x = 19,269.22

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1.5x scale

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.