Home / 40,115.88-55,371.92-25,969.68

Finding the Fourth Proportional to 40,115.88, 55,371.92 and 25,969.68

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Solution

The fourth proportional to 40,115.88, 55,371.92 and 25,969.68 is: 35,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,115.88 : 55,371.92 = 25,969.68 : x
  2. Step 2: Convert to fraction form
    40,115.88/55,371.92 = 25,969.68/x
  3. Step 3: Cross multiply
    40,115.88x = 55,371.92 × 25,969.68
  4. Step 4: Simplify right side
    40,115.88x = 1,437,990,913.54
  5. Step 5: Solve for x
    x = 1,437,990,913.54/40,115.88
  6. Step 6: Final answer
    x = 35,845.93

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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.