Home / 31,372.31-46,998.31-19,490.82

Finding the Fourth Proportional to 31,372.31, 46,998.31 and 19,490.82

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Solution

The fourth proportional to 31,372.31, 46,998.31 and 19,490.82 is: 29,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372.31 : 46,998.31 = 19,490.82 : x
  2. Step 2: Convert to fraction form
    31,372.31/46,998.31 = 19,490.82/x
  3. Step 3: Cross multiply
    31,372.31x = 46,998.31 × 19,490.82
  4. Step 4: Simplify right side
    31,372.31x = 916,035,600.51
  5. Step 5: Solve for x
    x = 916,035,600.51/31,372.31
  6. Step 6: Final answer
    x = 29,198.86

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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.