Home / 33,891.75-46,772.28-20,462.76

Finding the Fourth Proportional to 33,891.75, 46,772.28 and 20,462.76

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Solution

The fourth proportional to 33,891.75, 46,772.28 and 20,462.76 is: 28,239.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,891.75 : 46,772.28 = 20,462.76 : x
  2. Step 2: Convert to fraction form
    33,891.75/46,772.28 = 20,462.76/x
  3. Step 3: Cross multiply
    33,891.75x = 46,772.28 × 20,462.76
  4. Step 4: Simplify right side
    33,891.75x = 957,089,940.29
  5. Step 5: Solve for x
    x = 957,089,940.29/33,891.75
  6. Step 6: Final answer
    x = 28,239.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.