Home / 34,449.75-47,544.30-21,874.50

Finding the Fourth Proportional to 34,449.75, 47,544.30 and 21,874.50

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Solution

The fourth proportional to 34,449.75, 47,544.30 and 21,874.50 is: 30,189.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,449.75 : 47,544.30 = 21,874.50 : x
  2. Step 2: Convert to fraction form
    34,449.75/47,544.30 = 21,874.50/x
  3. Step 3: Cross multiply
    34,449.75x = 47,544.30 × 21,874.50
  4. Step 4: Simplify right side
    34,449.75x = 1,040,007,790.35
  5. Step 5: Solve for x
    x = 1,040,007,790.35/34,449.75
  6. Step 6: Final answer
    x = 30,189.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.