Home / 40,323.21-55,647.33-22,418.97

Finding the Fourth Proportional to 40,323.21, 55,647.33 and 22,418.97

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Solution

The fourth proportional to 40,323.21, 55,647.33 and 22,418.97 is: 30,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,323.21 : 55,647.33 = 22,418.97 : x
  2. Step 2: Convert to fraction form
    40,323.21/55,647.33 = 22,418.97/x
  3. Step 3: Cross multiply
    40,323.21x = 55,647.33 × 22,418.97
  4. Step 4: Simplify right side
    40,323.21x = 1,247,555,821.85
  5. Step 5: Solve for x
    x = 1,247,555,821.85/40,323.21
  6. Step 6: Final answer
    x = 30,938.90

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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.