Home / 31,308.73-46,964.00-9,121.61

Finding the Fourth Proportional to 31,308.73, 46,964.00 and 9,121.61

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Solution

The fourth proportional to 31,308.73, 46,964.00 and 9,121.61 is: 13,682.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,308.73 : 46,964.00 = 9,121.61 : x
  2. Step 2: Convert to fraction form
    31,308.73/46,964.00 = 9,121.61/x
  3. Step 3: Cross multiply
    31,308.73x = 46,964.00 × 9,121.61
  4. Step 4: Simplify right side
    31,308.73x = 428,387,432.25
  5. Step 5: Solve for x
    x = 428,387,432.25/31,308.73
  6. Step 6: Final answer
    x = 13,682.68

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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.