Home / 41,272.56-61,905.80-13,185.07

Finding the Fourth Proportional to 41,272.56, 61,905.80 and 13,185.07

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Solution

The fourth proportional to 41,272.56, 61,905.80 and 13,185.07 is: 19,776.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,272.56 : 61,905.80 = 13,185.07 : x
  2. Step 2: Convert to fraction form
    41,272.56/61,905.80 = 13,185.07/x
  3. Step 3: Cross multiply
    41,272.56x = 61,905.80 × 13,185.07
  4. Step 4: Simplify right side
    41,272.56x = 816,231,996.88
  5. Step 5: Solve for x
    x = 816,231,996.88/41,272.56
  6. Step 6: Final answer
    x = 19,776.63

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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.