Home / 34,633.38-51,918.90-12,441.54

Finding the Fourth Proportional to 34,633.38, 51,918.90 and 12,441.54

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Solution

The fourth proportional to 34,633.38, 51,918.90 and 12,441.54 is: 18,651.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,633.38 : 51,918.90 = 12,441.54 : x
  2. Step 2: Convert to fraction form
    34,633.38/51,918.90 = 12,441.54/x
  3. Step 3: Cross multiply
    34,633.38x = 51,918.90 × 12,441.54
  4. Step 4: Simplify right side
    34,633.38x = 645,951,071.11
  5. Step 5: Solve for x
    x = 645,951,071.11/34,633.38
  6. Step 6: Final answer
    x = 18,651.11

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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.