Home / 44,912.40-67,344.30-18,619.80

Finding the Fourth Proportional to 44,912.40, 67,344.30 and 18,619.80

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Solution

The fourth proportional to 44,912.40, 67,344.30 and 18,619.80 is: 27,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,912.40 : 67,344.30 = 18,619.80 : x
  2. Step 2: Convert to fraction form
    44,912.40/67,344.30 = 18,619.80/x
  3. Step 3: Cross multiply
    44,912.40x = 67,344.30 × 18,619.80
  4. Step 4: Simplify right side
    44,912.40x = 1,253,937,397.14
  5. Step 5: Solve for x
    x = 1,253,937,397.14/44,912.40
  6. Step 6: Final answer
    x = 27,919.63

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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.