Home / 34,759.82-47,950.97-21,991.52

Finding the Fourth Proportional to 34,759.82, 47,950.97 and 21,991.52

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Solution

The fourth proportional to 34,759.82, 47,950.97 and 21,991.52 is: 30,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,759.82 : 47,950.97 = 21,991.52 : x
  2. Step 2: Convert to fraction form
    34,759.82/47,950.97 = 21,991.52/x
  3. Step 3: Cross multiply
    34,759.82x = 47,950.97 × 21,991.52
  4. Step 4: Simplify right side
    34,759.82x = 1,054,514,366.06
  5. Step 5: Solve for x
    x = 1,054,514,366.06/34,759.82
  6. Step 6: Final answer
    x = 30,337.17

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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.