Home / 40,129.54-55,360.38-25,986.94

Finding the Fourth Proportional to 40,129.54, 55,360.38 and 25,986.94

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Solution

The fourth proportional to 40,129.54, 55,360.38 and 25,986.94 is: 35,850.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,129.54 : 55,360.38 = 25,986.94 : x
  2. Step 2: Convert to fraction form
    40,129.54/55,360.38 = 25,986.94/x
  3. Step 3: Cross multiply
    40,129.54x = 55,360.38 × 25,986.94
  4. Step 4: Simplify right side
    40,129.54x = 1,438,646,873.44
  5. Step 5: Solve for x
    x = 1,438,646,873.44/40,129.54
  6. Step 6: Final answer
    x = 35,850.07

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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.