Home / 39,670.38-54,446.22-36,291.60

Finding the Fourth Proportional to 39,670.38, 54,446.22 and 36,291.60

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Solution

The fourth proportional to 39,670.38, 54,446.22 and 36,291.60 is: 49,808.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,670.38 : 54,446.22 = 36,291.60 : x
  2. Step 2: Convert to fraction form
    39,670.38/54,446.22 = 36,291.60/x
  3. Step 3: Cross multiply
    39,670.38x = 54,446.22 × 36,291.60
  4. Step 4: Simplify right side
    39,670.38x = 1,975,940,437.75
  5. Step 5: Solve for x
    x = 1,975,940,437.75/39,670.38
  6. Step 6: Final answer
    x = 49,808.96

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.