Home / 34,972.75-52,456.29-13,911.94

Finding the Fourth Proportional to 34,972.75, 52,456.29 and 13,911.94

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Solution

The fourth proportional to 34,972.75, 52,456.29 and 13,911.94 is: 20,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,972.75 : 52,456.29 = 13,911.94 : x
  2. Step 2: Convert to fraction form
    34,972.75/52,456.29 = 13,911.94/x
  3. Step 3: Cross multiply
    34,972.75x = 52,456.29 × 13,911.94
  4. Step 4: Simplify right side
    34,972.75x = 729,768,759.10
  5. Step 5: Solve for x
    x = 729,768,759.10/34,972.75
  6. Step 6: Final answer
    x = 20,866.78

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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.