Home / 30,627.52-42,265.44-17,198.88

Finding the Fourth Proportional to 30,627.52, 42,265.44 and 17,198.88

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Solution

The fourth proportional to 30,627.52, 42,265.44 and 17,198.88 is: 23,734.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,627.52 : 42,265.44 = 17,198.88 : x
  2. Step 2: Convert to fraction form
    30,627.52/42,265.44 = 17,198.88/x
  3. Step 3: Cross multiply
    30,627.52x = 42,265.44 × 17,198.88
  4. Step 4: Simplify right side
    30,627.52x = 726,918,230.71
  5. Step 5: Solve for x
    x = 726,918,230.71/30,627.52
  6. Step 6: Final answer
    x = 23,734.15

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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.