Home / 61,128.88-91,683.49-16,745.26

Finding the Fourth Proportional to 61,128.88, 91,683.49 and 16,745.26

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Solution

The fourth proportional to 61,128.88, 91,683.49 and 16,745.26 is: 25,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,128.88 : 91,683.49 = 16,745.26 : x
  2. Step 2: Convert to fraction form
    61,128.88/91,683.49 = 16,745.26/x
  3. Step 3: Cross multiply
    61,128.88x = 91,683.49 × 16,745.26
  4. Step 4: Simplify right side
    61,128.88x = 1,535,263,794.03
  5. Step 5: Solve for x
    x = 1,535,263,794.03/61,128.88
  6. Step 6: Final answer
    x = 25,115.20

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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.