Home / 33,995.12-46,930.32-21,255.38

Finding the Fourth Proportional to 33,995.12, 46,930.32 and 21,255.38

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Solution

The fourth proportional to 33,995.12, 46,930.32 and 21,255.38 is: 29,343.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,995.12 : 46,930.32 = 21,255.38 : x
  2. Step 2: Convert to fraction form
    33,995.12/46,930.32 = 21,255.38/x
  3. Step 3: Cross multiply
    33,995.12x = 46,930.32 × 21,255.38
  4. Step 4: Simplify right side
    33,995.12x = 997,521,785.12
  5. Step 5: Solve for x
    x = 997,521,785.12/33,995.12
  6. Step 6: Final answer
    x = 29,343.09

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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.