Home / 38,942.16-53,727.24-22,171.60

Finding the Fourth Proportional to 38,942.16, 53,727.24 and 22,171.60

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Solution

The fourth proportional to 38,942.16, 53,727.24 and 22,171.60 is: 30,589.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,942.16 : 53,727.24 = 22,171.60 : x
  2. Step 2: Convert to fraction form
    38,942.16/53,727.24 = 22,171.60/x
  3. Step 3: Cross multiply
    38,942.16x = 53,727.24 × 22,171.60
  4. Step 4: Simplify right side
    38,942.16x = 1,191,218,874.38
  5. Step 5: Solve for x
    x = 1,191,218,874.38/38,942.16
  6. Step 6: Final answer
    x = 30,589.44

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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.