Home / 33,363.21-46,015.23-21,427.66

Finding the Fourth Proportional to 33,363.21, 46,015.23 and 21,427.66

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Solution

The fourth proportional to 33,363.21, 46,015.23 and 21,427.66 is: 29,553.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,363.21 : 46,015.23 = 21,427.66 : x
  2. Step 2: Convert to fraction form
    33,363.21/46,015.23 = 21,427.66/x
  3. Step 3: Cross multiply
    33,363.21x = 46,015.23 × 21,427.66
  4. Step 4: Simplify right side
    33,363.21x = 985,998,703.26
  5. Step 5: Solve for x
    x = 985,998,703.26/33,363.21
  6. Step 6: Final answer
    x = 29,553.47

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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.