Home / 49,771.90-74,668.92-18,181.90

Finding the Fourth Proportional to 49,771.90, 74,668.92 and 18,181.90

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Solution

The fourth proportional to 49,771.90, 74,668.92 and 18,181.90 is: 27,276.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,771.90 : 74,668.92 = 18,181.90 : x
  2. Step 2: Convert to fraction form
    49,771.90/74,668.92 = 18,181.90/x
  3. Step 3: Cross multiply
    49,771.90x = 74,668.92 × 18,181.90
  4. Step 4: Simplify right side
    49,771.90x = 1,357,622,649.88
  5. Step 5: Solve for x
    x = 1,357,622,649.88/49,771.90
  6. Step 6: Final answer
    x = 27,276.89

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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.