Home / 40,079.84-55,335.38-25,745.45

Finding the Fourth Proportional to 40,079.84, 55,335.38 and 25,745.45

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Solution

The fourth proportional to 40,079.84, 55,335.38 and 25,745.45 is: 35,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,079.84 : 55,335.38 = 25,745.45 : x
  2. Step 2: Convert to fraction form
    40,079.84/55,335.38 = 25,745.45/x
  3. Step 3: Cross multiply
    40,079.84x = 55,335.38 × 25,745.45
  4. Step 4: Simplify right side
    40,079.84x = 1,424,633,853.62
  5. Step 5: Solve for x
    x = 1,424,633,853.62/40,079.84
  6. Step 6: Final answer
    x = 35,544.90

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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.