Home / 45,629.35-68,443.74-18,611.58

Finding the Fourth Proportional to 45,629.35, 68,443.74 and 18,611.58

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Solution

The fourth proportional to 45,629.35, 68,443.74 and 18,611.58 is: 27,917.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,629.35 : 68,443.74 = 18,611.58 : x
  2. Step 2: Convert to fraction form
    45,629.35/68,443.74 = 18,611.58/x
  3. Step 3: Cross multiply
    45,629.35x = 68,443.74 × 18,611.58
  4. Step 4: Simplify right side
    45,629.35x = 1,273,846,399.17
  5. Step 5: Solve for x
    x = 1,273,846,399.17/45,629.35
  6. Step 6: Final answer
    x = 27,917.26

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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.