Home / 31,450.50-47,175.75-8,076.94

Finding the Fourth Proportional to 31,450.50, 47,175.75 and 8,076.94

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Solution

The fourth proportional to 31,450.50, 47,175.75 and 8,076.94 is: 12,115.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,450.50 : 47,175.75 = 8,076.94 : x
  2. Step 2: Convert to fraction form
    31,450.50/47,175.75 = 8,076.94/x
  3. Step 3: Cross multiply
    31,450.50x = 47,175.75 × 8,076.94
  4. Step 4: Simplify right side
    31,450.50x = 381,035,584.27
  5. Step 5: Solve for x
    x = 381,035,584.27/31,450.50
  6. Step 6: Final answer
    x = 12,115.41

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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.