Home / 31,195.45-46,811.71-11,487.85

Finding the Fourth Proportional to 31,195.45, 46,811.71 and 11,487.85

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Solution

The fourth proportional to 31,195.45, 46,811.71 and 11,487.85 is: 17,238.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,195.45 : 46,811.71 = 11,487.85 : x
  2. Step 2: Convert to fraction form
    31,195.45/46,811.71 = 11,487.85/x
  3. Step 3: Cross multiply
    31,195.45x = 46,811.71 × 11,487.85
  4. Step 4: Simplify right side
    31,195.45x = 537,765,735.43
  5. Step 5: Solve for x
    x = 537,765,735.43/31,195.45
  6. Step 6: Final answer
    x = 17,238.59

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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.