Home / 40,286.80-60,438.30-33,758.20

Finding the Fourth Proportional to 40,286.80, 60,438.30 and 33,758.20

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Solution

The fourth proportional to 40,286.80, 60,438.30 and 33,758.20 is: 50,644.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,286.80 : 60,438.30 = 33,758.20 : x
  2. Step 2: Convert to fraction form
    40,286.80/60,438.30 = 33,758.20/x
  3. Step 3: Cross multiply
    40,286.80x = 60,438.30 × 33,758.20
  4. Step 4: Simplify right side
    40,286.80x = 2,040,288,219.06
  5. Step 5: Solve for x
    x = 2,040,288,219.06/40,286.80
  6. Step 6: Final answer
    x = 50,644.09

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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.