Home / 30,721.82-46,087.99-14,083.28

Finding the Fourth Proportional to 30,721.82, 46,087.99 and 14,083.28

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Solution

The fourth proportional to 30,721.82, 46,087.99 and 14,083.28 is: 21,127.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,721.82 : 46,087.99 = 14,083.28 : x
  2. Step 2: Convert to fraction form
    30,721.82/46,087.99 = 14,083.28/x
  3. Step 3: Cross multiply
    30,721.82x = 46,087.99 × 14,083.28
  4. Step 4: Simplify right side
    30,721.82x = 649,070,104.61
  5. Step 5: Solve for x
    x = 649,070,104.61/30,721.82
  6. Step 6: Final answer
    x = 21,127.33

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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.