Home / 31,180.55-46,770.83-11,450.57

Finding the Fourth Proportional to 31,180.55, 46,770.83 and 11,450.57

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Solution

The fourth proportional to 31,180.55, 46,770.83 and 11,450.57 is: 17,175.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,180.55 : 46,770.83 = 11,450.57 : x
  2. Step 2: Convert to fraction form
    31,180.55/46,770.83 = 11,450.57/x
  3. Step 3: Cross multiply
    31,180.55x = 46,770.83 × 11,450.57
  4. Step 4: Simplify right side
    31,180.55x = 535,552,765.49
  5. Step 5: Solve for x
    x = 535,552,765.49/31,180.55
  6. Step 6: Final answer
    x = 17,175.86

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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.