Home / 27,742.20-41,613.30-8,021.40

Finding the Fourth Proportional to 27,742.20, 41,613.30 and 8,021.40

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Solution

The fourth proportional to 27,742.20, 41,613.30 and 8,021.40 is: 12,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,742.20 : 41,613.30 = 8,021.40 : x
  2. Step 2: Convert to fraction form
    27,742.20/41,613.30 = 8,021.40/x
  3. Step 3: Cross multiply
    27,742.20x = 41,613.30 × 8,021.40
  4. Step 4: Simplify right side
    27,742.20x = 333,796,924.62
  5. Step 5: Solve for x
    x = 333,796,924.62/27,742.20
  6. Step 6: Final answer
    x = 12,032.10

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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.