Home / 39,640.54-54,709.96-25,306.52

Finding the Fourth Proportional to 39,640.54, 54,709.96 and 25,306.52

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Solution

The fourth proportional to 39,640.54, 54,709.96 and 25,306.52 is: 34,926.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,640.54 : 54,709.96 = 25,306.52 : x
  2. Step 2: Convert to fraction form
    39,640.54/54,709.96 = 25,306.52/x
  3. Step 3: Cross multiply
    39,640.54x = 54,709.96 × 25,306.52
  4. Step 4: Simplify right side
    39,640.54x = 1,384,518,696.94
  5. Step 5: Solve for x
    x = 1,384,518,696.94/39,640.54
  6. Step 6: Final answer
    x = 34,926.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.