Home / 33,815.72-46,663.18-18,708.56

Finding the Fourth Proportional to 33,815.72, 46,663.18 and 18,708.56

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Solution

The fourth proportional to 33,815.72, 46,663.18 and 18,708.56 is: 25,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,815.72 : 46,663.18 = 18,708.56 : x
  2. Step 2: Convert to fraction form
    33,815.72/46,663.18 = 18,708.56/x
  3. Step 3: Cross multiply
    33,815.72x = 46,663.18 × 18,708.56
  4. Step 4: Simplify right side
    33,815.72x = 873,000,902.82
  5. Step 5: Solve for x
    x = 873,000,902.82/33,815.72
  6. Step 6: Final answer
    x = 25,816.42

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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.