Home / 74,331.66-111,514.81-21,745.25

Finding the Fourth Proportional to 74,331.66, 111,514.81 and 21,745.25

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Solution

The fourth proportional to 74,331.66, 111,514.81 and 21,745.25 is: 32,622.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,331.66 : 111,514.81 = 21,745.25 : x
  2. Step 2: Convert to fraction form
    74,331.66/111,514.81 = 21,745.25/x
  3. Step 3: Cross multiply
    74,331.66x = 111,514.81 × 21,745.25
  4. Step 4: Simplify right side
    74,331.66x = 2,424,917,422.15
  5. Step 5: Solve for x
    x = 2,424,917,422.15/74,331.66
  6. Step 6: Final answer
    x = 32,622.94

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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.