Home / 55,279.46-82,893.26-20,194.58

Finding the Fourth Proportional to 55,279.46, 82,893.26 and 20,194.58

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Solution

The fourth proportional to 55,279.46, 82,893.26 and 20,194.58 is: 30,282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,279.46 : 82,893.26 = 20,194.58 : x
  2. Step 2: Convert to fraction form
    55,279.46/82,893.26 = 20,194.58/x
  3. Step 3: Cross multiply
    55,279.46x = 82,893.26 × 20,194.58
  4. Step 4: Simplify right side
    55,279.46x = 1,673,994,570.53
  5. Step 5: Solve for x
    x = 1,673,994,570.53/55,279.46
  6. Step 6: Final answer
    x = 30,282.40

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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.