Home / 47,571.11-71,350.99-12,513.50

Finding the Fourth Proportional to 47,571.11, 71,350.99 and 12,513.50

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Solution

The fourth proportional to 47,571.11, 71,350.99 and 12,513.50 is: 18,768.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,571.11 : 71,350.99 = 12,513.50 : x
  2. Step 2: Convert to fraction form
    47,571.11/71,350.99 = 12,513.50/x
  3. Step 3: Cross multiply
    47,571.11x = 71,350.99 × 12,513.50
  4. Step 4: Simplify right side
    47,571.11x = 892,850,492.89
  5. Step 5: Solve for x
    x = 892,850,492.89/47,571.11
  6. Step 6: Final answer
    x = 18,768.76

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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.