Home / 33,133.20-49,699.86-9,759.36

Finding the Fourth Proportional to 33,133.20, 49,699.86 and 9,759.36

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Solution

The fourth proportional to 33,133.20, 49,699.86 and 9,759.36 is: 14,639.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,133.20 : 49,699.86 = 9,759.36 : x
  2. Step 2: Convert to fraction form
    33,133.20/49,699.86 = 9,759.36/x
  3. Step 3: Cross multiply
    33,133.20x = 49,699.86 × 9,759.36
  4. Step 4: Simplify right side
    33,133.20x = 485,038,825.69
  5. Step 5: Solve for x
    x = 485,038,825.69/33,133.20
  6. Step 6: Final answer
    x = 14,639.06

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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.