Home / 36,939.10-50,976-20,172.10

Finding the Fourth Proportional to 36,939.10, 50,976 and 20,172.10

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Solution

The fourth proportional to 36,939.10, 50,976 and 20,172.10 is: 27,837.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,939.10 : 50,976 = 20,172.10 : x
  2. Step 2: Convert to fraction form
    36,939.10/50,976 = 20,172.10/x
  3. Step 3: Cross multiply
    36,939.10x = 50,976 × 20,172.10
  4. Step 4: Simplify right side
    36,939.10x = 1,028,292,969.60
  5. Step 5: Solve for x
    x = 1,028,292,969.60/36,939.10
  6. Step 6: Final answer
    x = 27,837.52

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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.