Home / 30,791.08-42,481.38-17,360.20

Finding the Fourth Proportional to 30,791.08, 42,481.38 and 17,360.20

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Solution

The fourth proportional to 30,791.08, 42,481.38 and 17,360.20 is: 23,951.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,791.08 : 42,481.38 = 17,360.20 : x
  2. Step 2: Convert to fraction form
    30,791.08/42,481.38 = 17,360.20/x
  3. Step 3: Cross multiply
    30,791.08x = 42,481.38 × 17,360.20
  4. Step 4: Simplify right side
    30,791.08x = 737,485,253.08
  5. Step 5: Solve for x
    x = 737,485,253.08/30,791.08
  6. Step 6: Final answer
    x = 23,951.26

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1.5x scale

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.