Home / 31,486.82-47,230.16-21,596.11

Finding the Fourth Proportional to 31,486.82, 47,230.16 and 21,596.11

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Solution

The fourth proportional to 31,486.82, 47,230.16 and 21,596.11 is: 32,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,486.82 : 47,230.16 = 21,596.11 : x
  2. Step 2: Convert to fraction form
    31,486.82/47,230.16 = 21,596.11/x
  3. Step 3: Cross multiply
    31,486.82x = 47,230.16 × 21,596.11
  4. Step 4: Simplify right side
    31,486.82x = 1,019,987,504.62
  5. Step 5: Solve for x
    x = 1,019,987,504.62/31,486.82
  6. Step 6: Final answer
    x = 32,394.11

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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.