Home / 33,435.60-50,172.84-13,728.30

Finding the Fourth Proportional to 33,435.60, 50,172.84 and 13,728.30

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Solution

The fourth proportional to 33,435.60, 50,172.84 and 13,728.30 is: 20,600.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,435.60 : 50,172.84 = 13,728.30 : x
  2. Step 2: Convert to fraction form
    33,435.60/50,172.84 = 13,728.30/x
  3. Step 3: Cross multiply
    33,435.60x = 50,172.84 × 13,728.30
  4. Step 4: Simplify right side
    33,435.60x = 688,787,799.37
  5. Step 5: Solve for x
    x = 688,787,799.37/33,435.60
  6. Step 6: Final answer
    x = 20,600.43

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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.