Home / 33,920.37-46,816.38-21,179.27

Finding the Fourth Proportional to 33,920.37, 46,816.38 and 21,179.27

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Solution

The fourth proportional to 33,920.37, 46,816.38 and 21,179.27 is: 29,231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,920.37 : 46,816.38 = 21,179.27 : x
  2. Step 2: Convert to fraction form
    33,920.37/46,816.38 = 21,179.27/x
  3. Step 3: Cross multiply
    33,920.37x = 46,816.38 × 21,179.27
  4. Step 4: Simplify right side
    33,920.37x = 991,536,869.48
  5. Step 5: Solve for x
    x = 991,536,869.48/33,920.37
  6. Step 6: Final answer
    x = 29,231.31

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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.