Home / 55,023.17-82,540.23-19,965.56

Finding the Fourth Proportional to 55,023.17, 82,540.23 and 19,965.56

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Solution

The fourth proportional to 55,023.17, 82,540.23 and 19,965.56 is: 29,950.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,023.17 : 82,540.23 = 19,965.56 : x
  2. Step 2: Convert to fraction form
    55,023.17/82,540.23 = 19,965.56/x
  3. Step 3: Cross multiply
    55,023.17x = 82,540.23 × 19,965.56
  4. Step 4: Simplify right side
    55,023.17x = 1,647,961,914.48
  5. Step 5: Solve for x
    x = 1,647,961,914.48/55,023.17
  6. Step 6: Final answer
    x = 29,950.33

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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.