Home / 38,146.89-57,212.78-30,794.25

Finding the Fourth Proportional to 38,146.89, 57,212.78 and 30,794.25

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Solution

The fourth proportional to 38,146.89, 57,212.78 and 30,794.25 is: 46,185.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,146.89 : 57,212.78 = 30,794.25 : x
  2. Step 2: Convert to fraction form
    38,146.89/57,212.78 = 30,794.25/x
  3. Step 3: Cross multiply
    38,146.89x = 57,212.78 × 30,794.25
  4. Step 4: Simplify right side
    38,146.89x = 1,761,824,496.54
  5. Step 5: Solve for x
    x = 1,761,824,496.54/38,146.89
  6. Step 6: Final answer
    x = 46,185.27

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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.