Home / 55,259.67-82,894.83-21,972.33

Finding the Fourth Proportional to 55,259.67, 82,894.83 and 21,972.33

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Solution

The fourth proportional to 55,259.67, 82,894.83 and 21,972.33 is: 32,960.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,259.67 : 82,894.83 = 21,972.33 : x
  2. Step 2: Convert to fraction form
    55,259.67/82,894.83 = 21,972.33/x
  3. Step 3: Cross multiply
    55,259.67x = 82,894.83 × 21,972.33
  4. Step 4: Simplify right side
    55,259.67x = 1,821,392,560.05
  5. Step 5: Solve for x
    x = 1,821,392,560.05/55,259.67
  6. Step 6: Final answer
    x = 32,960.61

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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.