Home / 36,874.50-50,891.18-20,961.34

Finding the Fourth Proportional to 36,874.50, 50,891.18 and 20,961.34

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Solution

The fourth proportional to 36,874.50, 50,891.18 and 20,961.34 is: 28,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,874.50 : 50,891.18 = 20,961.34 : x
  2. Step 2: Convert to fraction form
    36,874.50/50,891.18 = 20,961.34/x
  3. Step 3: Cross multiply
    36,874.50x = 50,891.18 × 20,961.34
  4. Step 4: Simplify right side
    36,874.50x = 1,066,747,326.98
  5. Step 5: Solve for x
    x = 1,066,747,326.98/36,874.50
  6. Step 6: Final answer
    x = 28,929.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.