Home / 20,097.19-30,147.23-5,305.96

Finding the Fourth Proportional to 20,097.19, 30,147.23 and 5,305.96

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Solution

The fourth proportional to 20,097.19, 30,147.23 and 5,305.96 is: 7,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.19 : 30,147.23 = 5,305.96 : x
  2. Step 2: Convert to fraction form
    20,097.19/30,147.23 = 5,305.96/x
  3. Step 3: Cross multiply
    20,097.19x = 30,147.23 × 5,305.96
  4. Step 4: Simplify right side
    20,097.19x = 159,959,996.49
  5. Step 5: Solve for x
    x = 159,959,996.49/20,097.19
  6. Step 6: Final answer
    x = 7,959.32

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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.