Home / 45,410.38-68,127.09-14,245.90

Finding the Fourth Proportional to 45,410.38, 68,127.09 and 14,245.90

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Solution

The fourth proportional to 45,410.38, 68,127.09 and 14,245.90 is: 21,372.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,410.38 : 68,127.09 = 14,245.90 : x
  2. Step 2: Convert to fraction form
    45,410.38/68,127.09 = 14,245.90/x
  3. Step 3: Cross multiply
    45,410.38x = 68,127.09 × 14,245.90
  4. Step 4: Simplify right side
    45,410.38x = 970,531,711.43
  5. Step 5: Solve for x
    x = 970,531,711.43/45,410.38
  6. Step 6: Final answer
    x = 21,372.46

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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.