Home / 47,834.15-71,745.62-12,776.54

Finding the Fourth Proportional to 47,834.15, 71,745.62 and 12,776.54

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Solution

The fourth proportional to 47,834.15, 71,745.62 and 12,776.54 is: 19,163.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,834.15 : 71,745.62 = 12,776.54 : x
  2. Step 2: Convert to fraction form
    47,834.15/71,745.62 = 12,776.54/x
  3. Step 3: Cross multiply
    47,834.15x = 71,745.62 × 12,776.54
  4. Step 4: Simplify right side
    47,834.15x = 916,660,361.14
  5. Step 5: Solve for x
    x = 916,660,361.14/47,834.15
  6. Step 6: Final answer
    x = 19,163.31

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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.