Home / 45,410.26-68,117.94-13,821.34

Finding the Fourth Proportional to 45,410.26, 68,117.94 and 13,821.34

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Solution

The fourth proportional to 45,410.26, 68,117.94 and 13,821.34 is: 20,732.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,410.26 : 68,117.94 = 13,821.34 : x
  2. Step 2: Convert to fraction form
    45,410.26/68,117.94 = 13,821.34/x
  3. Step 3: Cross multiply
    45,410.26x = 68,117.94 × 13,821.34
  4. Step 4: Simplify right side
    45,410.26x = 941,481,208.84
  5. Step 5: Solve for x
    x = 941,481,208.84/45,410.26
  6. Step 6: Final answer
    x = 20,732.79

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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.