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Finding the Fourth Proportional to 36,406.64, 50,241.04 and 20,491.08

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Solution

The fourth proportional to 36,406.64, 50,241.04 and 20,491.08 is: 28,277.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,406.64 : 50,241.04 = 20,491.08 : x
  2. Step 2: Convert to fraction form
    36,406.64/50,241.04 = 20,491.08/x
  3. Step 3: Cross multiply
    36,406.64x = 50,241.04 × 20,491.08
  4. Step 4: Simplify right side
    36,406.64x = 1,029,493,169.92
  5. Step 5: Solve for x
    x = 1,029,493,169.92/36,406.64
  6. Step 6: Final answer
    x = 28,277.62

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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.