Home / 56,822.97-85,220.79-17,380.43

Finding the Fourth Proportional to 56,822.97, 85,220.79 and 17,380.43

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Solution

The fourth proportional to 56,822.97, 85,220.79 and 17,380.43 is: 26,066.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,822.97 : 85,220.79 = 17,380.43 : x
  2. Step 2: Convert to fraction form
    56,822.97/85,220.79 = 17,380.43/x
  3. Step 3: Cross multiply
    56,822.97x = 85,220.79 × 17,380.43
  4. Step 4: Simplify right side
    56,822.97x = 1,481,173,975.14
  5. Step 5: Solve for x
    x = 1,481,173,975.14/56,822.97
  6. Step 6: Final answer
    x = 26,066.47

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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.