Home / 36,424-54,623.80-14,231.60

Finding the Fourth Proportional to 36,424, 54,623.80 and 14,231.60

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Solution

The fourth proportional to 36,424, 54,623.80 and 14,231.60 is: 21,342.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,424 : 54,623.80 = 14,231.60 : x
  2. Step 2: Convert to fraction form
    36,424/54,623.80 = 14,231.60/x
  3. Step 3: Cross multiply
    36,424x = 54,623.80 × 14,231.60
  4. Step 4: Simplify right side
    36,424x = 777,384,072.08
  5. Step 5: Solve for x
    x = 777,384,072.08/36,424
  6. Step 6: Final answer
    x = 21,342.63

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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.