Home / 30,880.26-46,331.55-12,149.97

Finding the Fourth Proportional to 30,880.26, 46,331.55 and 12,149.97

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Solution

The fourth proportional to 30,880.26, 46,331.55 and 12,149.97 is: 18,229.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,880.26 : 46,331.55 = 12,149.97 : x
  2. Step 2: Convert to fraction form
    30,880.26/46,331.55 = 12,149.97/x
  3. Step 3: Cross multiply
    30,880.26x = 46,331.55 × 12,149.97
  4. Step 4: Simplify right side
    30,880.26x = 562,926,942.55
  5. Step 5: Solve for x
    x = 562,926,942.55/30,880.26
  6. Step 6: Final answer
    x = 18,229.35

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1.5x scale

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.