Home / 30,938.22-46,396.26-12,217.50

Finding the Fourth Proportional to 30,938.22, 46,396.26 and 12,217.50

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Solution

The fourth proportional to 30,938.22, 46,396.26 and 12,217.50 is: 18,321.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,938.22 : 46,396.26 = 12,217.50 : x
  2. Step 2: Convert to fraction form
    30,938.22/46,396.26 = 12,217.50/x
  3. Step 3: Cross multiply
    30,938.22x = 46,396.26 × 12,217.50
  4. Step 4: Simplify right side
    30,938.22x = 566,846,306.55
  5. Step 5: Solve for x
    x = 566,846,306.55/30,938.22
  6. Step 6: Final answer
    x = 18,321.88

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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.