Home / 54,690.14-82,028.30-21,433.56

Finding the Fourth Proportional to 54,690.14, 82,028.30 and 21,433.56

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Solution

The fourth proportional to 54,690.14, 82,028.30 and 21,433.56 is: 32,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,690.14 : 82,028.30 = 21,433.56 : x
  2. Step 2: Convert to fraction form
    54,690.14/82,028.30 = 21,433.56/x
  3. Step 3: Cross multiply
    54,690.14x = 82,028.30 × 21,433.56
  4. Step 4: Simplify right side
    54,690.14x = 1,758,158,536.38
  5. Step 5: Solve for x
    x = 1,758,158,536.38/54,690.14
  6. Step 6: Final answer
    x = 32,147.63

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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.