Home / 33,080.40-49,620.60-31,440.15

Finding the Fourth Proportional to 33,080.40, 49,620.60 and 31,440.15

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Solution

The fourth proportional to 33,080.40, 49,620.60 and 31,440.15 is: 47,160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,080.40 : 49,620.60 = 31,440.15 : x
  2. Step 2: Convert to fraction form
    33,080.40/49,620.60 = 31,440.15/x
  3. Step 3: Cross multiply
    33,080.40x = 49,620.60 × 31,440.15
  4. Step 4: Simplify right side
    33,080.40x = 1,560,079,107.09
  5. Step 5: Solve for x
    x = 1,560,079,107.09/33,080.40
  6. Step 6: Final answer
    x = 47,160.23

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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.