Home / 55,422.10-83,144.84-17,979.26

Finding the Fourth Proportional to 55,422.10, 83,144.84 and 17,979.26

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Solution

The fourth proportional to 55,422.10, 83,144.84 and 17,979.26 is: 26,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,422.10 : 83,144.84 = 17,979.26 : x
  2. Step 2: Convert to fraction form
    55,422.10/83,144.84 = 17,979.26/x
  3. Step 3: Cross multiply
    55,422.10x = 83,144.84 × 17,979.26
  4. Step 4: Simplify right side
    55,422.10x = 1,494,882,696.02
  5. Step 5: Solve for x
    x = 1,494,882,696.02/55,422.10
  6. Step 6: Final answer
    x = 26,972.68

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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.