Home / 39,913.71-55,087.34-23,781.75

Finding the Fourth Proportional to 39,913.71, 55,087.34 and 23,781.75

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Solution

The fourth proportional to 39,913.71, 55,087.34 and 23,781.75 is: 32,822.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.71 : 55,087.34 = 23,781.75 : x
  2. Step 2: Convert to fraction form
    39,913.71/55,087.34 = 23,781.75/x
  3. Step 3: Cross multiply
    39,913.71x = 55,087.34 × 23,781.75
  4. Step 4: Simplify right side
    39,913.71x = 1,310,073,229.14
  5. Step 5: Solve for x
    x = 1,310,073,229.14/39,913.71
  6. Step 6: Final answer
    x = 32,822.64

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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.