Home / 49,780.36-74,625.72-18,168.34

Finding the Fourth Proportional to 49,780.36, 74,625.72 and 18,168.34

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Solution

The fourth proportional to 49,780.36, 74,625.72 and 18,168.34 is: 27,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,780.36 : 74,625.72 = 18,168.34 : x
  2. Step 2: Convert to fraction form
    49,780.36/74,625.72 = 18,168.34/x
  3. Step 3: Cross multiply
    49,780.36x = 74,625.72 × 18,168.34
  4. Step 4: Simplify right side
    49,780.36x = 1,355,825,453.70
  5. Step 5: Solve for x
    x = 1,355,825,453.70/49,780.36
  6. Step 6: Final answer
    x = 27,236.15

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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.