Home / 39,129.52-53,955.95-29,076.61

Finding the Fourth Proportional to 39,129.52, 53,955.95 and 29,076.61

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Solution

The fourth proportional to 39,129.52, 53,955.95 and 29,076.61 is: 40,093.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,129.52 : 53,955.95 = 29,076.61 : x
  2. Step 2: Convert to fraction form
    39,129.52/53,955.95 = 29,076.61/x
  3. Step 3: Cross multiply
    39,129.52x = 53,955.95 × 29,076.61
  4. Step 4: Simplify right side
    39,129.52x = 1,568,856,115.33
  5. Step 5: Solve for x
    x = 1,568,856,115.33/39,129.52
  6. Step 6: Final answer
    x = 40,093.93

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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.