Home / 39,858.48-55,003.77-25,711.34

Finding the Fourth Proportional to 39,858.48, 55,003.77 and 25,711.34

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Solution

The fourth proportional to 39,858.48, 55,003.77 and 25,711.34 is: 35,481.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,858.48 : 55,003.77 = 25,711.34 : x
  2. Step 2: Convert to fraction form
    39,858.48/55,003.77 = 25,711.34/x
  3. Step 3: Cross multiply
    39,858.48x = 55,003.77 × 25,711.34
  4. Step 4: Simplify right side
    39,858.48x = 1,414,220,356.73
  5. Step 5: Solve for x
    x = 1,414,220,356.73/39,858.48
  6. Step 6: Final answer
    x = 35,481.04

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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.