Home / 50,902.15-76,290.43-36,910.21

Finding the Fourth Proportional to 50,902.15, 76,290.43 and 36,910.21

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Solution

The fourth proportional to 50,902.15, 76,290.43 and 36,910.21 is: 55,319.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,902.15 : 76,290.43 = 36,910.21 : x
  2. Step 2: Convert to fraction form
    50,902.15/76,290.43 = 36,910.21/x
  3. Step 3: Cross multiply
    50,902.15x = 76,290.43 × 36,910.21
  4. Step 4: Simplify right side
    50,902.15x = 2,815,895,700.01
  5. Step 5: Solve for x
    x = 2,815,895,700.01/50,902.15
  6. Step 6: Final answer
    x = 55,319.78

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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.