Home / 33,140.86-49,712.82-9,450.02

Finding the Fourth Proportional to 33,140.86, 49,712.82 and 9,450.02

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Solution

The fourth proportional to 33,140.86, 49,712.82 and 9,450.02 is: 14,175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.86 : 49,712.82 = 9,450.02 : x
  2. Step 2: Convert to fraction form
    33,140.86/49,712.82 = 9,450.02/x
  3. Step 3: Cross multiply
    33,140.86x = 49,712.82 × 9,450.02
  4. Step 4: Simplify right side
    33,140.86x = 469,787,143.26
  5. Step 5: Solve for x
    x = 469,787,143.26/33,140.86
  6. Step 6: Final answer
    x = 14,175.47

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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.