Home / 33,278.11-49,903.39-13,543.27

Finding the Fourth Proportional to 33,278.11, 49,903.39 and 13,543.27

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Solution

The fourth proportional to 33,278.11, 49,903.39 and 13,543.27 is: 20,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.11 : 49,903.39 = 13,543.27 : x
  2. Step 2: Convert to fraction form
    33,278.11/49,903.39 = 13,543.27/x
  3. Step 3: Cross multiply
    33,278.11x = 49,903.39 × 13,543.27
  4. Step 4: Simplify right side
    33,278.11x = 675,855,084.69
  5. Step 5: Solve for x
    x = 675,855,084.69/33,278.11
  6. Step 6: Final answer
    x = 20,309.30

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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.