Home / 50,331.36-69,453.12-29,112

Finding the Fourth Proportional to 50,331.36, 69,453.12 and 29,112

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Solution

The fourth proportional to 50,331.36, 69,453.12 and 29,112 is: 40,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,331.36 : 69,453.12 = 29,112 : x
  2. Step 2: Convert to fraction form
    50,331.36/69,453.12 = 29,112/x
  3. Step 3: Cross multiply
    50,331.36x = 69,453.12 × 29,112
  4. Step 4: Simplify right side
    50,331.36x = 2,021,919,229.44
  5. Step 5: Solve for x
    x = 2,021,919,229.44/50,331.36
  6. Step 6: Final answer
    x = 40,172.16

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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.