Home / 49,758.36-74,636.38-20,168.28

Finding the Fourth Proportional to 49,758.36, 74,636.38 and 20,168.28

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Solution

The fourth proportional to 49,758.36, 74,636.38 and 20,168.28 is: 30,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,758.36 : 74,636.38 = 20,168.28 : x
  2. Step 2: Convert to fraction form
    49,758.36/74,636.38 = 20,168.28/x
  3. Step 3: Cross multiply
    49,758.36x = 74,636.38 × 20,168.28
  4. Step 4: Simplify right side
    49,758.36x = 1,505,287,410.03
  5. Step 5: Solve for x
    x = 1,505,287,410.03/49,758.36
  6. Step 6: Final answer
    x = 30,251.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.