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Finding the Fourth Proportional to 50,485.27, 75,727.90 and 13,549.27

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Solution

The fourth proportional to 50,485.27, 75,727.90 and 13,549.27 is: 20,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,485.27 : 75,727.90 = 13,549.27 : x
  2. Step 2: Convert to fraction form
    50,485.27/75,727.90 = 13,549.27/x
  3. Step 3: Cross multiply
    50,485.27x = 75,727.90 × 13,549.27
  4. Step 4: Simplify right side
    50,485.27x = 1,026,057,540.44
  5. Step 5: Solve for x
    x = 1,026,057,540.44/50,485.27
  6. Step 6: Final answer
    x = 20,323.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.