Home / 31,290.92-46,936.52-7,917.38

Finding the Fourth Proportional to 31,290.92, 46,936.52 and 7,917.38

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Solution

The fourth proportional to 31,290.92, 46,936.52 and 7,917.38 is: 11,876.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,290.92 : 46,936.52 = 7,917.38 : x
  2. Step 2: Convert to fraction form
    31,290.92/46,936.52 = 7,917.38/x
  3. Step 3: Cross multiply
    31,290.92x = 46,936.52 × 7,917.38
  4. Step 4: Simplify right side
    31,290.92x = 371,614,264.72
  5. Step 5: Solve for x
    x = 371,614,264.72/31,290.92
  6. Step 6: Final answer
    x = 11,876.11

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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.