Home / 39,807.38-54,578.17-39,096.61

Finding the Fourth Proportional to 39,807.38, 54,578.17 and 39,096.61

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Solution

The fourth proportional to 39,807.38, 54,578.17 and 39,096.61 is: 53,603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,807.38 : 54,578.17 = 39,096.61 : x
  2. Step 2: Convert to fraction form
    39,807.38/54,578.17 = 39,096.61/x
  3. Step 3: Cross multiply
    39,807.38x = 54,578.17 × 39,096.61
  4. Step 4: Simplify right side
    39,807.38x = 2,133,821,339.43
  5. Step 5: Solve for x
    x = 2,133,821,339.43/39,807.38
  6. Step 6: Final answer
    x = 53,603.66

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.