Home / 33,399.66-46,069.37-21,478.08

Finding the Fourth Proportional to 33,399.66, 46,069.37 and 21,478.08

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Solution

The fourth proportional to 33,399.66, 46,069.37 and 21,478.08 is: 29,625.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,399.66 : 46,069.37 = 21,478.08 : x
  2. Step 2: Convert to fraction form
    33,399.66/46,069.37 = 21,478.08/x
  3. Step 3: Cross multiply
    33,399.66x = 46,069.37 × 21,478.08
  4. Step 4: Simplify right side
    33,399.66x = 989,481,760.32
  5. Step 5: Solve for x
    x = 989,481,760.32/33,399.66
  6. Step 6: Final answer
    x = 29,625.50

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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.