Home / 54,577.84-81,866.76-19,515.37

Finding the Fourth Proportional to 54,577.84, 81,866.76 and 19,515.37

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Solution

The fourth proportional to 54,577.84, 81,866.76 and 19,515.37 is: 29,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,577.84 : 81,866.76 = 19,515.37 : x
  2. Step 2: Convert to fraction form
    54,577.84/81,866.76 = 19,515.37/x
  3. Step 3: Cross multiply
    54,577.84x = 81,866.76 × 19,515.37
  4. Step 4: Simplify right side
    54,577.84x = 1,597,660,112.10
  5. Step 5: Solve for x
    x = 1,597,660,112.10/54,577.84
  6. Step 6: Final answer
    x = 29,273.06

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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.