Home / 40,163.85-55,426.11-22,261.54

Finding the Fourth Proportional to 40,163.85, 55,426.11 and 22,261.54

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Solution

The fourth proportional to 40,163.85, 55,426.11 and 22,261.54 is: 30,720.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,163.85 : 55,426.11 = 22,261.54 : x
  2. Step 2: Convert to fraction form
    40,163.85/55,426.11 = 22,261.54/x
  3. Step 3: Cross multiply
    40,163.85x = 55,426.11 × 22,261.54
  4. Step 4: Simplify right side
    40,163.85x = 1,233,870,453.50
  5. Step 5: Solve for x
    x = 1,233,870,453.50/40,163.85
  6. Step 6: Final answer
    x = 30,720.92

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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.