Home / 33,139.86-49,711.32-9,449.01

Finding the Fourth Proportional to 33,139.86, 49,711.32 and 9,449.01

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Solution

The fourth proportional to 33,139.86, 49,711.32 and 9,449.01 is: 14,173.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.86 : 49,711.32 = 9,449.01 : x
  2. Step 2: Convert to fraction form
    33,139.86/49,711.32 = 9,449.01/x
  3. Step 3: Cross multiply
    33,139.86x = 49,711.32 × 9,449.01
  4. Step 4: Simplify right side
    33,139.86x = 469,722,759.79
  5. Step 5: Solve for x
    x = 469,722,759.79/33,139.86
  6. Step 6: Final answer
    x = 14,173.95

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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.