Home / 55,208.62-82,801.32-17,772.04

Finding the Fourth Proportional to 55,208.62, 82,801.32 and 17,772.04

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Solution

The fourth proportional to 55,208.62, 82,801.32 and 17,772.04 is: 26,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,208.62 : 82,801.32 = 17,772.04 : x
  2. Step 2: Convert to fraction form
    55,208.62/82,801.32 = 17,772.04/x
  3. Step 3: Cross multiply
    55,208.62x = 82,801.32 × 17,772.04
  4. Step 4: Simplify right side
    55,208.62x = 1,471,548,371.09
  5. Step 5: Solve for x
    x = 1,471,548,371.09/55,208.62
  6. Step 6: Final answer
    x = 26,654.32

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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.