Home / 31,371.31-46,996.81-19,489.82

Finding the Fourth Proportional to 31,371.31, 46,996.81 and 19,489.82

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Solution

The fourth proportional to 31,371.31, 46,996.81 and 19,489.82 is: 29,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,371.31 : 46,996.81 = 19,489.82 : x
  2. Step 2: Convert to fraction form
    31,371.31/46,996.81 = 19,489.82/x
  3. Step 3: Cross multiply
    31,371.31x = 46,996.81 × 19,489.82
  4. Step 4: Simplify right side
    31,371.31x = 915,959,367.47
  5. Step 5: Solve for x
    x = 915,959,367.47/31,371.31
  6. Step 6: Final answer
    x = 29,197.36

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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.