Home / 33,816.86-50,689.47-12,747.77

Finding the Fourth Proportional to 33,816.86, 50,689.47 and 12,747.77

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Solution

The fourth proportional to 33,816.86, 50,689.47 and 12,747.77 is: 19,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,816.86 : 50,689.47 = 12,747.77 : x
  2. Step 2: Convert to fraction form
    33,816.86/50,689.47 = 12,747.77/x
  3. Step 3: Cross multiply
    33,816.86x = 50,689.47 × 12,747.77
  4. Step 4: Simplify right side
    33,816.86x = 646,177,704.98
  5. Step 5: Solve for x
    x = 646,177,704.98/33,816.86
  6. Step 6: Final answer
    x = 19,108.15

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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.