Home / 41,478.20-62,231.70-18,111.80

Finding the Fourth Proportional to 41,478.20, 62,231.70 and 18,111.80

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Solution

The fourth proportional to 41,478.20, 62,231.70 and 18,111.80 is: 27,173.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,478.20 : 62,231.70 = 18,111.80 : x
  2. Step 2: Convert to fraction form
    41,478.20/62,231.70 = 18,111.80/x
  3. Step 3: Cross multiply
    41,478.20x = 62,231.70 × 18,111.80
  4. Step 4: Simplify right side
    41,478.20x = 1,127,128,104.06
  5. Step 5: Solve for x
    x = 1,127,128,104.06/41,478.20
  6. Step 6: Final answer
    x = 27,173.99

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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.