Home / 33,822.84-46,664.94-20,398.20

Finding the Fourth Proportional to 33,822.84, 46,664.94 and 20,398.20

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Solution

The fourth proportional to 33,822.84, 46,664.94 and 20,398.20 is: 28,143.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,822.84 : 46,664.94 = 20,398.20 : x
  2. Step 2: Convert to fraction form
    33,822.84/46,664.94 = 20,398.20/x
  3. Step 3: Cross multiply
    33,822.84x = 46,664.94 × 20,398.20
  4. Step 4: Simplify right side
    33,822.84x = 951,880,779.11
  5. Step 5: Solve for x
    x = 951,880,779.11/33,822.84
  6. Step 6: Final answer
    x = 28,143.14

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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.