Home / 31,330.82-46,998.38-12,611

Finding the Fourth Proportional to 31,330.82, 46,998.38 and 12,611

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Solution

The fourth proportional to 31,330.82, 46,998.38 and 12,611 is: 18,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,330.82 : 46,998.38 = 12,611 : x
  2. Step 2: Convert to fraction form
    31,330.82/46,998.38 = 12,611/x
  3. Step 3: Cross multiply
    31,330.82x = 46,998.38 × 12,611
  4. Step 4: Simplify right side
    31,330.82x = 592,696,570.18
  5. Step 5: Solve for x
    x = 592,696,570.18/31,330.82
  6. Step 6: Final answer
    x = 18,917.37

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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.