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Finding the Fourth Proportional to 33,683.85, 50,525.95 and 8,722.15

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Solution

The fourth proportional to 33,683.85, 50,525.95 and 8,722.15 is: 13,083.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,683.85 : 50,525.95 = 8,722.15 : x
  2. Step 2: Convert to fraction form
    33,683.85/50,525.95 = 8,722.15/x
  3. Step 3: Cross multiply
    33,683.85x = 50,525.95 × 8,722.15
  4. Step 4: Simplify right side
    33,683.85x = 440,694,914.79
  5. Step 5: Solve for x
    x = 440,694,914.79/33,683.85
  6. Step 6: Final answer
    x = 13,083.27

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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.