Home / 36,813.91-50,800.20-20,680.34

Finding the Fourth Proportional to 36,813.91, 50,800.20 and 20,680.34

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Solution

The fourth proportional to 36,813.91, 50,800.20 and 20,680.34 is: 28,537.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,813.91 : 50,800.20 = 20,680.34 : x
  2. Step 2: Convert to fraction form
    36,813.91/50,800.20 = 20,680.34/x
  3. Step 3: Cross multiply
    36,813.91x = 50,800.20 × 20,680.34
  4. Step 4: Simplify right side
    36,813.91x = 1,050,565,520.95
  5. Step 5: Solve for x
    x = 1,050,565,520.95/36,813.91
  6. Step 6: Final answer
    x = 28,537.19

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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.