Home / 39,896.83-59,854.01-11,819.09

Finding the Fourth Proportional to 39,896.83, 59,854.01 and 11,819.09

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Solution

The fourth proportional to 39,896.83, 59,854.01 and 11,819.09 is: 17,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,896.83 : 59,854.01 = 11,819.09 : x
  2. Step 2: Convert to fraction form
    39,896.83/59,854.01 = 11,819.09/x
  3. Step 3: Cross multiply
    39,896.83x = 59,854.01 × 11,819.09
  4. Step 4: Simplify right side
    39,896.83x = 707,420,021.59
  5. Step 5: Solve for x
    x = 707,420,021.59/39,896.83
  6. Step 6: Final answer
    x = 17,731.23

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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.