Home / 33,428.20-50,142.30-13,704.70

Finding the Fourth Proportional to 33,428.20, 50,142.30 and 13,704.70

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Solution

The fourth proportional to 33,428.20, 50,142.30 and 13,704.70 is: 20,557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,428.20 : 50,142.30 = 13,704.70 : x
  2. Step 2: Convert to fraction form
    33,428.20/50,142.30 = 13,704.70/x
  3. Step 3: Cross multiply
    33,428.20x = 50,142.30 × 13,704.70
  4. Step 4: Simplify right side
    33,428.20x = 687,185,178.81
  5. Step 5: Solve for x
    x = 687,185,178.81/33,428.20
  6. Step 6: Final answer
    x = 20,557.05

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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.