Home / 39,735.69-54,840.50-25,629.54

Finding the Fourth Proportional to 39,735.69, 54,840.50 and 25,629.54

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Solution

The fourth proportional to 39,735.69, 54,840.50 and 25,629.54 is: 35,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,735.69 : 54,840.50 = 25,629.54 : x
  2. Step 2: Convert to fraction form
    39,735.69/54,840.50 = 25,629.54/x
  3. Step 3: Cross multiply
    39,735.69x = 54,840.50 × 25,629.54
  4. Step 4: Simplify right side
    39,735.69x = 1,405,536,788.37
  5. Step 5: Solve for x
    x = 1,405,536,788.37/39,735.69
  6. Step 6: Final answer
    x = 35,372.15

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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.