Home / 38,512.82-57,664.87-20,005.94

Finding the Fourth Proportional to 38,512.82, 57,664.87 and 20,005.94

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Solution

The fourth proportional to 38,512.82, 57,664.87 and 20,005.94 is: 29,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,512.82 : 57,664.87 = 20,005.94 : x
  2. Step 2: Convert to fraction form
    38,512.82/57,664.87 = 20,005.94/x
  3. Step 3: Cross multiply
    38,512.82x = 57,664.87 × 20,005.94
  4. Step 4: Simplify right side
    38,512.82x = 1,153,639,929.33
  5. Step 5: Solve for x
    x = 1,153,639,929.33/38,512.82
  6. Step 6: Final answer
    x = 29,954.70

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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.