Home / 33,865.92-46,745.16-21,930.12

Finding the Fourth Proportional to 33,865.92, 46,745.16 and 21,930.12

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Solution

The fourth proportional to 33,865.92, 46,745.16 and 21,930.12 is: 30,270.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,865.92 : 46,745.16 = 21,930.12 : x
  2. Step 2: Convert to fraction form
    33,865.92/46,745.16 = 21,930.12/x
  3. Step 3: Cross multiply
    33,865.92x = 46,745.16 × 21,930.12
  4. Step 4: Simplify right side
    33,865.92x = 1,025,126,968.22
  5. Step 5: Solve for x
    x = 1,025,126,968.22/33,865.92
  6. Step 6: Final answer
    x = 30,270.16

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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.