Home / 47,910.70-71,860.57-12,847.63

Finding the Fourth Proportional to 47,910.70, 71,860.57 and 12,847.63

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Solution

The fourth proportional to 47,910.70, 71,860.57 and 12,847.63 is: 19,269.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,910.70 : 71,860.57 = 12,847.63 : x
  2. Step 2: Convert to fraction form
    47,910.70/71,860.57 = 12,847.63/x
  3. Step 3: Cross multiply
    47,910.70x = 71,860.57 × 12,847.63
  4. Step 4: Simplify right side
    47,910.70x = 923,238,014.95
  5. Step 5: Solve for x
    x = 923,238,014.95/47,910.70
  6. Step 6: Final answer
    x = 19,269.98

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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.