Home / 47,950.85-71,911.70-16,778.81

Finding the Fourth Proportional to 47,950.85, 71,911.70 and 16,778.81

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Solution

The fourth proportional to 47,950.85, 71,911.70 and 16,778.81 is: 25,163.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,950.85 : 71,911.70 = 16,778.81 : x
  2. Step 2: Convert to fraction form
    47,950.85/71,911.70 = 16,778.81/x
  3. Step 3: Cross multiply
    47,950.85x = 71,911.70 × 16,778.81
  4. Step 4: Simplify right side
    47,950.85x = 1,206,592,909.88
  5. Step 5: Solve for x
    x = 1,206,592,909.88/47,950.85
  6. Step 6: Final answer
    x = 25,163.12

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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.