Home / 32,786.11-45,251.99-20,847.12

Finding the Fourth Proportional to 32,786.11, 45,251.99 and 20,847.12

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Solution

The fourth proportional to 32,786.11, 45,251.99 and 20,847.12 is: 28,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,786.11 : 45,251.99 = 20,847.12 : x
  2. Step 2: Convert to fraction form
    32,786.11/45,251.99 = 20,847.12/x
  3. Step 3: Cross multiply
    32,786.11x = 45,251.99 × 20,847.12
  4. Step 4: Simplify right side
    32,786.11x = 943,373,665.77
  5. Step 5: Solve for x
    x = 943,373,665.77/32,786.11
  6. Step 6: Final answer
    x = 28,773.58

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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.