Home / 38,461.70-57,687.68-12,169.10

Finding the Fourth Proportional to 38,461.70, 57,687.68 and 12,169.10

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Solution

The fourth proportional to 38,461.70, 57,687.68 and 12,169.10 is: 18,252.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,461.70 : 57,687.68 = 12,169.10 : x
  2. Step 2: Convert to fraction form
    38,461.70/57,687.68 = 12,169.10/x
  3. Step 3: Cross multiply
    38,461.70x = 57,687.68 × 12,169.10
  4. Step 4: Simplify right side
    38,461.70x = 702,007,146.69
  5. Step 5: Solve for x
    x = 702,007,146.69/38,461.70
  6. Step 6: Final answer
    x = 18,252.11

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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.