Home / 30,625.30-42,259.77-17,198.04

Finding the Fourth Proportional to 30,625.30, 42,259.77 and 17,198.04

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Solution

The fourth proportional to 30,625.30, 42,259.77 and 17,198.04 is: 23,731.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,625.30 : 42,259.77 = 17,198.04 : x
  2. Step 2: Convert to fraction form
    30,625.30/42,259.77 = 17,198.04/x
  3. Step 3: Cross multiply
    30,625.30x = 42,259.77 × 17,198.04
  4. Step 4: Simplify right side
    30,625.30x = 726,785,214.85
  5. Step 5: Solve for x
    x = 726,785,214.85/30,625.30
  6. Step 6: Final answer
    x = 23,731.53

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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.