Home / 54,524.98-81,738.96-21,237.28

Finding the Fourth Proportional to 54,524.98, 81,738.96 and 21,237.28

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Solution

The fourth proportional to 54,524.98, 81,738.96 and 21,237.28 is: 31,837.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,524.98 : 81,738.96 = 21,237.28 : x
  2. Step 2: Convert to fraction form
    54,524.98/81,738.96 = 21,237.28/x
  3. Step 3: Cross multiply
    54,524.98x = 81,738.96 × 21,237.28
  4. Step 4: Simplify right side
    54,524.98x = 1,735,913,180.43
  5. Step 5: Solve for x
    x = 1,735,913,180.43/54,524.98
  6. Step 6: Final answer
    x = 31,837.03

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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.