Home / 33,612.12-50,418.20-13,868.98

Finding the Fourth Proportional to 33,612.12, 50,418.20 and 13,868.98

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Solution

The fourth proportional to 33,612.12, 50,418.20 and 13,868.98 is: 20,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,612.12 : 50,418.20 = 13,868.98 : x
  2. Step 2: Convert to fraction form
    33,612.12/50,418.20 = 13,868.98/x
  3. Step 3: Cross multiply
    33,612.12x = 50,418.20 × 13,868.98
  4. Step 4: Simplify right side
    33,612.12x = 699,248,812.05
  5. Step 5: Solve for x
    x = 699,248,812.05/33,612.12
  6. Step 6: Final answer
    x = 20,803.47

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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.