Home / 45,691.12-68,519.40-17,974

Finding the Fourth Proportional to 45,691.12, 68,519.40 and 17,974

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Solution

The fourth proportional to 45,691.12, 68,519.40 and 17,974 is: 26,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,691.12 : 68,519.40 = 17,974 : x
  2. Step 2: Convert to fraction form
    45,691.12/68,519.40 = 17,974/x
  3. Step 3: Cross multiply
    45,691.12x = 68,519.40 × 17,974
  4. Step 4: Simplify right side
    45,691.12x = 1,231,567,695.60
  5. Step 5: Solve for x
    x = 1,231,567,695.60/45,691.12
  6. Step 6: Final answer
    x = 26,954.20

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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.