Home / 45,028.56-67,537.72-12,194

Finding the Fourth Proportional to 45,028.56, 67,537.72 and 12,194

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Solution

The fourth proportional to 45,028.56, 67,537.72 and 12,194 is: 18,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,028.56 : 67,537.72 = 12,194 : x
  2. Step 2: Convert to fraction form
    45,028.56/67,537.72 = 12,194/x
  3. Step 3: Cross multiply
    45,028.56x = 67,537.72 × 12,194
  4. Step 4: Simplify right side
    45,028.56x = 823,554,957.68
  5. Step 5: Solve for x
    x = 823,554,957.68/45,028.56
  6. Step 6: Final answer
    x = 18,289.61

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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.