Home / 36,694.94-50,639.20-20,782.49

Finding the Fourth Proportional to 36,694.94, 50,639.20 and 20,782.49

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Solution

The fourth proportional to 36,694.94, 50,639.20 and 20,782.49 is: 28,679.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,694.94 : 50,639.20 = 20,782.49 : x
  2. Step 2: Convert to fraction form
    36,694.94/50,639.20 = 20,782.49/x
  3. Step 3: Cross multiply
    36,694.94x = 50,639.20 × 20,782.49
  4. Step 4: Simplify right side
    36,694.94x = 1,052,408,362.46
  5. Step 5: Solve for x
    x = 1,052,408,362.46/36,694.94
  6. Step 6: Final answer
    x = 28,679.94

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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.