Home / 39,929.48-55,120.39-25,789.22

Finding the Fourth Proportional to 39,929.48, 55,120.39 and 25,789.22

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Solution

The fourth proportional to 39,929.48, 55,120.39 and 25,789.22 is: 35,600.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929.48 : 55,120.39 = 25,789.22 : x
  2. Step 2: Convert to fraction form
    39,929.48/55,120.39 = 25,789.22/x
  3. Step 3: Cross multiply
    39,929.48x = 55,120.39 × 25,789.22
  4. Step 4: Simplify right side
    39,929.48x = 1,421,511,524.12
  5. Step 5: Solve for x
    x = 1,421,511,524.12/39,929.48
  6. Step 6: Final answer
    x = 35,600.56

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1.5x scale

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.