Home / 31,766.22-47,639.58-21,968.46

Finding the Fourth Proportional to 31,766.22, 47,639.58 and 21,968.46

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Solution

The fourth proportional to 31,766.22, 47,639.58 and 21,968.46 is: 32,945.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,766.22 : 47,639.58 = 21,968.46 : x
  2. Step 2: Convert to fraction form
    31,766.22/47,639.58 = 21,968.46/x
  3. Step 3: Cross multiply
    31,766.22x = 47,639.58 × 21,968.46
  4. Step 4: Simplify right side
    31,766.22x = 1,046,568,207.65
  5. Step 5: Solve for x
    x = 1,046,568,207.65/31,766.22
  6. Step 6: Final answer
    x = 32,945.95

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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.