Home / 36,268.96-50,056.20-20,139.88

Finding the Fourth Proportional to 36,268.96, 50,056.20 and 20,139.88

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Solution

The fourth proportional to 36,268.96, 50,056.20 and 20,139.88 is: 27,795.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,268.96 : 50,056.20 = 20,139.88 : x
  2. Step 2: Convert to fraction form
    36,268.96/50,056.20 = 20,139.88/x
  3. Step 3: Cross multiply
    36,268.96x = 50,056.20 × 20,139.88
  4. Step 4: Simplify right side
    36,268.96x = 1,008,125,861.26
  5. Step 5: Solve for x
    x = 1,008,125,861.26/36,268.96
  6. Step 6: Final answer
    x = 27,795.83

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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.