Home / 56,825.25-85,161.33-21,745.77

Finding the Fourth Proportional to 56,825.25, 85,161.33 and 21,745.77

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Solution

The fourth proportional to 56,825.25, 85,161.33 and 21,745.77 is: 32,589.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,825.25 : 85,161.33 = 21,745.77 : x
  2. Step 2: Convert to fraction form
    56,825.25/85,161.33 = 21,745.77/x
  3. Step 3: Cross multiply
    56,825.25x = 85,161.33 × 21,745.77
  4. Step 4: Simplify right side
    56,825.25x = 1,851,898,695.07
  5. Step 5: Solve for x
    x = 1,851,898,695.07/56,825.25
  6. Step 6: Final answer
    x = 32,589.36

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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.