Home / 39,661.25-54,729.68-23,739.89

Finding the Fourth Proportional to 39,661.25, 54,729.68 and 23,739.89

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Solution

The fourth proportional to 39,661.25, 54,729.68 and 23,739.89 is: 32,759.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,661.25 : 54,729.68 = 23,739.89 : x
  2. Step 2: Convert to fraction form
    39,661.25/54,729.68 = 23,739.89/x
  3. Step 3: Cross multiply
    39,661.25x = 54,729.68 × 23,739.89
  4. Step 4: Simplify right side
    39,661.25x = 1,299,276,190.59
  5. Step 5: Solve for x
    x = 1,299,276,190.59/39,661.25
  6. Step 6: Final answer
    x = 32,759.34

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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.