Home / 40,324.81-55,645.07-22,418.72

Finding the Fourth Proportional to 40,324.81, 55,645.07 and 22,418.72

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Solution

The fourth proportional to 40,324.81, 55,645.07 and 22,418.72 is: 30,936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,324.81 : 55,645.07 = 22,418.72 : x
  2. Step 2: Convert to fraction form
    40,324.81/55,645.07 = 22,418.72/x
  3. Step 3: Cross multiply
    40,324.81x = 55,645.07 × 22,418.72
  4. Step 4: Simplify right side
    40,324.81x = 1,247,491,131.62
  5. Step 5: Solve for x
    x = 1,247,491,131.62/40,324.81
  6. Step 6: Final answer
    x = 30,936.07

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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.