Home / 19,930.24-29,908-18,059.92

Finding the Fourth Proportional to 19,930.24, 29,908 and 18,059.92

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Solution

The fourth proportional to 19,930.24, 29,908 and 18,059.92 is: 27,101.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.24 : 29,908 = 18,059.92 : x
  2. Step 2: Convert to fraction form
    19,930.24/29,908 = 18,059.92/x
  3. Step 3: Cross multiply
    19,930.24x = 29,908 × 18,059.92
  4. Step 4: Simplify right side
    19,930.24x = 540,136,087.36
  5. Step 5: Solve for x
    x = 540,136,087.36/19,930.24
  6. Step 6: Final answer
    x = 27,101.33

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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.