Home / 40,326.18-55,647.32-22,419.20

Finding the Fourth Proportional to 40,326.18, 55,647.32 and 22,419.20

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Solution

The fourth proportional to 40,326.18, 55,647.32 and 22,419.20 is: 30,936.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,326.18 : 55,647.32 = 22,419.20 : x
  2. Step 2: Convert to fraction form
    40,326.18/55,647.32 = 22,419.20/x
  3. Step 3: Cross multiply
    40,326.18x = 55,647.32 × 22,419.20
  4. Step 4: Simplify right side
    40,326.18x = 1,247,568,396.54
  5. Step 5: Solve for x
    x = 1,247,568,396.54/40,326.18
  6. Step 6: Final answer
    x = 30,936.93

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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.