Home / 67,202.28-100,818.44-20,458.80

Finding the Fourth Proportional to 67,202.28, 100,818.44 and 20,458.80

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Solution

The fourth proportional to 67,202.28, 100,818.44 and 20,458.80 is: 30,692.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,202.28 : 100,818.44 = 20,458.80 : x
  2. Step 2: Convert to fraction form
    67,202.28/100,818.44 = 20,458.80/x
  3. Step 3: Cross multiply
    67,202.28x = 100,818.44 × 20,458.80
  4. Step 4: Simplify right side
    67,202.28x = 2,062,624,300.27
  5. Step 5: Solve for x
    x = 2,062,624,300.27/67,202.28
  6. Step 6: Final answer
    x = 30,692.77

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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.