Home / 45,100.56-67,651.30-20,141.88

Finding the Fourth Proportional to 45,100.56, 67,651.30 and 20,141.88

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Solution

The fourth proportional to 45,100.56, 67,651.30 and 20,141.88 is: 30,213.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,100.56 : 67,651.30 = 20,141.88 : x
  2. Step 2: Convert to fraction form
    45,100.56/67,651.30 = 20,141.88/x
  3. Step 3: Cross multiply
    45,100.56x = 67,651.30 × 20,141.88
  4. Step 4: Simplify right side
    45,100.56x = 1,362,624,366.44
  5. Step 5: Solve for x
    x = 1,362,624,366.44/45,100.56
  6. Step 6: Final answer
    x = 30,213.03

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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.