Home / 39,531.25-54,556.09-22,535.90

Finding the Fourth Proportional to 39,531.25, 54,556.09 and 22,535.90

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Solution

The fourth proportional to 39,531.25, 54,556.09 and 22,535.90 is: 31,101.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,531.25 : 54,556.09 = 22,535.90 : x
  2. Step 2: Convert to fraction form
    39,531.25/54,556.09 = 22,535.90/x
  3. Step 3: Cross multiply
    39,531.25x = 54,556.09 × 22,535.90
  4. Step 4: Simplify right side
    39,531.25x = 1,229,470,588.63
  5. Step 5: Solve for x
    x = 1,229,470,588.63/39,531.25
  6. Step 6: Final answer
    x = 31,101.23

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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.