Home / 33,821.96-46,661.47-21,224.84

Finding the Fourth Proportional to 33,821.96, 46,661.47 and 21,224.84

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Solution

The fourth proportional to 33,821.96, 46,661.47 and 21,224.84 is: 29,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,821.96 : 46,661.47 = 21,224.84 : x
  2. Step 2: Convert to fraction form
    33,821.96/46,661.47 = 21,224.84/x
  3. Step 3: Cross multiply
    33,821.96x = 46,661.47 × 21,224.84
  4. Step 4: Simplify right side
    33,821.96x = 990,381,948.55
  5. Step 5: Solve for x
    x = 990,381,948.55/33,821.96
  6. Step 6: Final answer
    x = 29,282.22

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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.