Home / 30,654.30-45,992.38-17,517.72

Finding the Fourth Proportional to 30,654.30, 45,992.38 and 17,517.72

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Solution

The fourth proportional to 30,654.30, 45,992.38 and 17,517.72 is: 26,282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,654.30 : 45,992.38 = 17,517.72 : x
  2. Step 2: Convert to fraction form
    30,654.30/45,992.38 = 17,517.72/x
  3. Step 3: Cross multiply
    30,654.30x = 45,992.38 × 17,517.72
  4. Step 4: Simplify right side
    30,654.30x = 805,681,634.97
  5. Step 5: Solve for x
    x = 805,681,634.97/30,654.30
  6. Step 6: Final answer
    x = 26,282.83

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1.5x scale

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.