Home / 39,808.38-54,579.54-39,097.61

Finding the Fourth Proportional to 39,808.38, 54,579.54 and 39,097.61

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Solution

The fourth proportional to 39,808.38, 54,579.54 and 39,097.61 is: 53,605.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,808.38 : 54,579.54 = 39,097.61 : x
  2. Step 2: Convert to fraction form
    39,808.38/54,579.54 = 39,097.61/x
  3. Step 3: Cross multiply
    39,808.38x = 54,579.54 × 39,097.61
  4. Step 4: Simplify right side
    39,808.38x = 2,133,929,568.90
  5. Step 5: Solve for x
    x = 2,133,929,568.90/39,808.38
  6. Step 6: Final answer
    x = 53,605.03

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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.