Home / 57,388.29-79,195.75-31,893.85

Finding the Fourth Proportional to 57,388.29, 79,195.75 and 31,893.85

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Solution

The fourth proportional to 57,388.29, 79,195.75 and 31,893.85 is: 44,013.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,388.29 : 79,195.75 = 31,893.85 : x
  2. Step 2: Convert to fraction form
    57,388.29/79,195.75 = 31,893.85/x
  3. Step 3: Cross multiply
    57,388.29x = 79,195.75 × 31,893.85
  4. Step 4: Simplify right side
    57,388.29x = 2,525,857,371.14
  5. Step 5: Solve for x
    x = 2,525,857,371.14/57,388.29
  6. Step 6: Final answer
    x = 44,013.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.