Home / 36,684.50-50,621.76-20,770.43

Finding the Fourth Proportional to 36,684.50, 50,621.76 and 20,770.43

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Solution

The fourth proportional to 36,684.50, 50,621.76 and 20,770.43 is: 28,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,684.50 : 50,621.76 = 20,770.43 : x
  2. Step 2: Convert to fraction form
    36,684.50/50,621.76 = 20,770.43/x
  3. Step 3: Cross multiply
    36,684.50x = 50,621.76 × 20,770.43
  4. Step 4: Simplify right side
    36,684.50x = 1,051,435,469.45
  5. Step 5: Solve for x
    x = 1,051,435,469.45/36,684.50
  6. Step 6: Final answer
    x = 28,661.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.