Home / 55,375.20-83,076.02-17,935.36

Finding the Fourth Proportional to 55,375.20, 83,076.02 and 17,935.36

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Solution

The fourth proportional to 55,375.20, 83,076.02 and 17,935.36 is: 26,907.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,375.20 : 83,076.02 = 17,935.36 : x
  2. Step 2: Convert to fraction form
    55,375.20/83,076.02 = 17,935.36/x
  3. Step 3: Cross multiply
    55,375.20x = 83,076.02 × 17,935.36
  4. Step 4: Simplify right side
    55,375.20x = 1,489,998,326.07
  5. Step 5: Solve for x
    x = 1,489,998,326.07/55,375.20
  6. Step 6: Final answer
    x = 26,907.32

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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.