Home / 50,207.85-75,311.91-20,604.92

Finding the Fourth Proportional to 50,207.85, 75,311.91 and 20,604.92

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Solution

The fourth proportional to 50,207.85, 75,311.91 and 20,604.92 is: 30,907.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,207.85 : 75,311.91 = 20,604.92 : x
  2. Step 2: Convert to fraction form
    50,207.85/75,311.91 = 20,604.92/x
  3. Step 3: Cross multiply
    50,207.85x = 75,311.91 × 20,604.92
  4. Step 4: Simplify right side
    50,207.85x = 1,551,795,504.04
  5. Step 5: Solve for x
    x = 1,551,795,504.04/50,207.85
  6. Step 6: Final answer
    x = 30,907.43

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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.