Home / 55,201.67-82,816.28-21,910.71

Finding the Fourth Proportional to 55,201.67, 82,816.28 and 21,910.71

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Solution

The fourth proportional to 55,201.67, 82,816.28 and 21,910.71 is: 32,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,201.67 : 82,816.28 = 21,910.71 : x
  2. Step 2: Convert to fraction form
    55,201.67/82,816.28 = 21,910.71/x
  3. Step 3: Cross multiply
    55,201.67x = 82,816.28 × 21,910.71
  4. Step 4: Simplify right side
    55,201.67x = 1,814,563,494.36
  5. Step 5: Solve for x
    x = 1,814,563,494.36/55,201.67
  6. Step 6: Final answer
    x = 32,871.53

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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.