Home / 41,131.58-61,647.75-18,914.49

Finding the Fourth Proportional to 41,131.58, 61,647.75 and 18,914.49

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Solution

The fourth proportional to 41,131.58, 61,647.75 and 18,914.49 is: 28,348.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,131.58 : 61,647.75 = 18,914.49 : x
  2. Step 2: Convert to fraction form
    41,131.58/61,647.75 = 18,914.49/x
  3. Step 3: Cross multiply
    41,131.58x = 61,647.75 × 18,914.49
  4. Step 4: Simplify right side
    41,131.58x = 1,166,035,750.90
  5. Step 5: Solve for x
    x = 1,166,035,750.90/41,131.58
  6. Step 6: Final answer
    x = 28,348.92

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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.