Home / 36,505.91-50,366.36-20,370.61

Finding the Fourth Proportional to 36,505.91, 50,366.36 and 20,370.61

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Solution

The fourth proportional to 36,505.91, 50,366.36 and 20,370.61 is: 28,104.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,505.91 : 50,366.36 = 20,370.61 : x
  2. Step 2: Convert to fraction form
    36,505.91/50,366.36 = 20,370.61/x
  3. Step 3: Cross multiply
    36,505.91x = 50,366.36 × 20,370.61
  4. Step 4: Simplify right side
    36,505.91x = 1,025,993,192.67
  5. Step 5: Solve for x
    x = 1,025,993,192.67/36,505.91
  6. Step 6: Final answer
    x = 28,104.85

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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.