Home / 31,369.31-46,993.81-19,487.82

Finding the Fourth Proportional to 31,369.31, 46,993.81 and 19,487.82

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Solution

The fourth proportional to 31,369.31, 46,993.81 and 19,487.82 is: 29,194.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,369.31 : 46,993.81 = 19,487.82 : x
  2. Step 2: Convert to fraction form
    31,369.31/46,993.81 = 19,487.82/x
  3. Step 3: Cross multiply
    31,369.31x = 46,993.81 × 19,487.82
  4. Step 4: Simplify right side
    31,369.31x = 915,807,074.44
  5. Step 5: Solve for x
    x = 915,807,074.44/31,369.31
  6. Step 6: Final answer
    x = 29,194.37

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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.