Home / 40,304.13-55,621.05-22,399.89

Finding the Fourth Proportional to 40,304.13, 55,621.05 and 22,399.89

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Solution

The fourth proportional to 40,304.13, 55,621.05 and 22,399.89 is: 30,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,304.13 : 55,621.05 = 22,399.89 : x
  2. Step 2: Convert to fraction form
    40,304.13/55,621.05 = 22,399.89/x
  3. Step 3: Cross multiply
    40,304.13x = 55,621.05 × 22,399.89
  4. Step 4: Simplify right side
    40,304.13x = 1,245,905,401.68
  5. Step 5: Solve for x
    x = 1,245,905,401.68/40,304.13
  6. Step 6: Final answer
    x = 30,912.60

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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.