Home / 33,640.20-50,438.70-13,926.60

Finding the Fourth Proportional to 33,640.20, 50,438.70 and 13,926.60

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Solution

The fourth proportional to 33,640.20, 50,438.70 and 13,926.60 is: 20,880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,640.20 : 50,438.70 = 13,926.60 : x
  2. Step 2: Convert to fraction form
    33,640.20/50,438.70 = 13,926.60/x
  3. Step 3: Cross multiply
    33,640.20x = 50,438.70 × 13,926.60
  4. Step 4: Simplify right side
    33,640.20x = 702,439,599.42
  5. Step 5: Solve for x
    x = 702,439,599.42/33,640.20
  6. Step 6: Final answer
    x = 20,880.96

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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.