Home / 33,121.48-49,682.62-13,135.88

Finding the Fourth Proportional to 33,121.48, 49,682.62 and 13,135.88

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Solution

The fourth proportional to 33,121.48, 49,682.62 and 13,135.88 is: 19,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.48 : 49,682.62 = 13,135.88 : x
  2. Step 2: Convert to fraction form
    33,121.48/49,682.62 = 13,135.88/x
  3. Step 3: Cross multiply
    33,121.48x = 49,682.62 × 13,135.88
  4. Step 4: Simplify right side
    33,121.48x = 652,624,934.41
  5. Step 5: Solve for x
    x = 652,624,934.41/33,121.48
  6. Step 6: Final answer
    x = 19,703.98

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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.