Home / 30,137.25-45,208.88-11,166.97

Finding the Fourth Proportional to 30,137.25, 45,208.88 and 11,166.97

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Solution

The fourth proportional to 30,137.25, 45,208.88 and 11,166.97 is: 16,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,137.25 : 45,208.88 = 11,166.97 : x
  2. Step 2: Convert to fraction form
    30,137.25/45,208.88 = 11,166.97/x
  3. Step 3: Cross multiply
    30,137.25x = 45,208.88 × 11,166.97
  4. Step 4: Simplify right side
    30,137.25x = 504,846,206.69
  5. Step 5: Solve for x
    x = 504,846,206.69/30,137.25
  6. Step 6: Final answer
    x = 16,751.57

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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.