Home / 27,081.35-40,631.64-12,087.11

Finding the Fourth Proportional to 27,081.35, 40,631.64 and 12,087.11

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Solution

The fourth proportional to 27,081.35, 40,631.64 and 12,087.11 is: 18,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.35 : 40,631.64 = 12,087.11 : x
  2. Step 2: Convert to fraction form
    27,081.35/40,631.64 = 12,087.11/x
  3. Step 3: Cross multiply
    27,081.35x = 40,631.64 × 12,087.11
  4. Step 4: Simplify right side
    27,081.35x = 491,118,899.00
  5. Step 5: Solve for x
    x = 491,118,899.00/27,081.35
  6. Step 6: Final answer
    x = 18,134.95

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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.