Home / 33,133.24-49,710.80-13,428.37

Finding the Fourth Proportional to 33,133.24, 49,710.80 and 13,428.37

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Solution

The fourth proportional to 33,133.24, 49,710.80 and 13,428.37 is: 20,146.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,133.24 : 49,710.80 = 13,428.37 : x
  2. Step 2: Convert to fraction form
    33,133.24/49,710.80 = 13,428.37/x
  3. Step 3: Cross multiply
    33,133.24x = 49,710.80 × 13,428.37
  4. Step 4: Simplify right side
    33,133.24x = 667,535,015.40
  5. Step 5: Solve for x
    x = 667,535,015.40/33,133.24
  6. Step 6: Final answer
    x = 20,146.99

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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.