Home / 41,837.54-57,687.03-31,208.72

Finding the Fourth Proportional to 41,837.54, 57,687.03 and 31,208.72

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Solution

The fourth proportional to 41,837.54, 57,687.03 and 31,208.72 is: 43,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,837.54 : 57,687.03 = 31,208.72 : x
  2. Step 2: Convert to fraction form
    41,837.54/57,687.03 = 31,208.72/x
  3. Step 3: Cross multiply
    41,837.54x = 57,687.03 × 31,208.72
  4. Step 4: Simplify right side
    41,837.54x = 1,800,338,511.12
  5. Step 5: Solve for x
    x = 1,800,338,511.12/41,837.54
  6. Step 6: Final answer
    x = 43,031.65

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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.