Home / 38,728.26-58,097.25-12,425.94

Finding the Fourth Proportional to 38,728.26, 58,097.25 and 12,425.94

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Solution

The fourth proportional to 38,728.26, 58,097.25 and 12,425.94 is: 18,640.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,728.26 : 58,097.25 = 12,425.94 : x
  2. Step 2: Convert to fraction form
    38,728.26/58,097.25 = 12,425.94/x
  3. Step 3: Cross multiply
    38,728.26x = 58,097.25 × 12,425.94
  4. Step 4: Simplify right side
    38,728.26x = 721,912,942.67
  5. Step 5: Solve for x
    x = 721,912,942.67/38,728.26
  6. Step 6: Final answer
    x = 18,640.47

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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.