Home / 33,253.25-49,902.49-13,535.40

Finding the Fourth Proportional to 33,253.25, 49,902.49 and 13,535.40

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Solution

The fourth proportional to 33,253.25, 49,902.49 and 13,535.40 is: 20,312.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,253.25 : 49,902.49 = 13,535.40 : x
  2. Step 2: Convert to fraction form
    33,253.25/49,902.49 = 13,535.40/x
  3. Step 3: Cross multiply
    33,253.25x = 49,902.49 × 13,535.40
  4. Step 4: Simplify right side
    33,253.25x = 675,450,163.15
  5. Step 5: Solve for x
    x = 675,450,163.15/33,253.25
  6. Step 6: Final answer
    x = 20,312.31

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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.