Home / 39,063.63-53,872.38-25,629.78

Finding the Fourth Proportional to 39,063.63, 53,872.38 and 25,629.78

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Solution

The fourth proportional to 39,063.63, 53,872.38 and 25,629.78 is: 35,345.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,063.63 : 53,872.38 = 25,629.78 : x
  2. Step 2: Convert to fraction form
    39,063.63/53,872.38 = 25,629.78/x
  3. Step 3: Cross multiply
    39,063.63x = 53,872.38 × 25,629.78
  4. Step 4: Simplify right side
    39,063.63x = 1,380,737,151.36
  5. Step 5: Solve for x
    x = 1,380,737,151.36/39,063.63
  6. Step 6: Final answer
    x = 35,345.85

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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.