Home / 55,205.66-82,822.29-21,914.72

Finding the Fourth Proportional to 55,205.66, 82,822.29 and 21,914.72

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Solution

The fourth proportional to 55,205.66, 82,822.29 and 21,914.72 is: 32,877.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,205.66 : 82,822.29 = 21,914.72 : x
  2. Step 2: Convert to fraction form
    55,205.66/82,822.29 = 21,914.72/x
  3. Step 3: Cross multiply
    55,205.66x = 82,822.29 × 21,914.72
  4. Step 4: Simplify right side
    55,205.66x = 1,815,027,295.11
  5. Step 5: Solve for x
    x = 1,815,027,295.11/55,205.66
  6. Step 6: Final answer
    x = 32,877.56

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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.