Home / 31,306.56-46,959.82-18,968.64

Finding the Fourth Proportional to 31,306.56, 46,959.82 and 18,968.64

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Solution

The fourth proportional to 31,306.56, 46,959.82 and 18,968.64 is: 28,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,306.56 : 46,959.82 = 18,968.64 : x
  2. Step 2: Convert to fraction form
    31,306.56/46,959.82 = 18,968.64/x
  3. Step 3: Cross multiply
    31,306.56x = 46,959.82 × 18,968.64
  4. Step 4: Simplify right side
    31,306.56x = 890,763,920.04
  5. Step 5: Solve for x
    x = 890,763,920.04/31,306.56
  6. Step 6: Final answer
    x = 28,452.95

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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.