Home / 54,745.33-82,110.93-17,309.20

Finding the Fourth Proportional to 54,745.33, 82,110.93 and 17,309.20

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Solution

The fourth proportional to 54,745.33, 82,110.93 and 17,309.20 is: 25,961.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,745.33 : 82,110.93 = 17,309.20 : x
  2. Step 2: Convert to fraction form
    54,745.33/82,110.93 = 17,309.20/x
  3. Step 3: Cross multiply
    54,745.33x = 82,110.93 × 17,309.20
  4. Step 4: Simplify right side
    54,745.33x = 1,421,274,509.56
  5. Step 5: Solve for x
    x = 1,421,274,509.56/54,745.33
  6. Step 6: Final answer
    x = 25,961.57

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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.