Home / 39,669.38-59,472.54-19,664.80

Finding the Fourth Proportional to 39,669.38, 59,472.54 and 19,664.80

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Solution

The fourth proportional to 39,669.38, 59,472.54 and 19,664.80 is: 29,481.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,669.38 : 59,472.54 = 19,664.80 : x
  2. Step 2: Convert to fraction form
    39,669.38/59,472.54 = 19,664.80/x
  3. Step 3: Cross multiply
    39,669.38x = 59,472.54 × 19,664.80
  4. Step 4: Simplify right side
    39,669.38x = 1,169,515,604.59
  5. Step 5: Solve for x
    x = 1,169,515,604.59/39,669.38
  6. Step 6: Final answer
    x = 29,481.57

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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.