Home / 66,658.33-91,987.45-36,442.94

Finding the Fourth Proportional to 66,658.33, 91,987.45 and 36,442.94

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Solution

The fourth proportional to 66,658.33, 91,987.45 and 36,442.94 is: 50,290.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,658.33 : 91,987.45 = 36,442.94 : x
  2. Step 2: Convert to fraction form
    66,658.33/91,987.45 = 36,442.94/x
  3. Step 3: Cross multiply
    66,658.33x = 91,987.45 × 36,442.94
  4. Step 4: Simplify right side
    66,658.33x = 3,352,293,121.10
  5. Step 5: Solve for x
    x = 3,352,293,121.10/66,658.33
  6. Step 6: Final answer
    x = 50,290.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.