Home / 38,608.11-57,920.67-21,975.98

Finding the Fourth Proportional to 38,608.11, 57,920.67 and 21,975.98

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Solution

The fourth proportional to 38,608.11, 57,920.67 and 21,975.98 is: 32,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,608.11 : 57,920.67 = 21,975.98 : x
  2. Step 2: Convert to fraction form
    38,608.11/57,920.67 = 21,975.98/x
  3. Step 3: Cross multiply
    38,608.11x = 57,920.67 × 21,975.98
  4. Step 4: Simplify right side
    38,608.11x = 1,272,863,195.90
  5. Step 5: Solve for x
    x = 1,272,863,195.90/38,608.11
  6. Step 6: Final answer
    x = 32,968.80

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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.