Home / 33,143.31-49,638.42-19,966.64

Finding the Fourth Proportional to 33,143.31, 49,638.42 and 19,966.64

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Solution

The fourth proportional to 33,143.31, 49,638.42 and 19,966.64 is: 29,903.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,143.31 : 49,638.42 = 19,966.64 : x
  2. Step 2: Convert to fraction form
    33,143.31/49,638.42 = 19,966.64/x
  3. Step 3: Cross multiply
    33,143.31x = 49,638.42 × 19,966.64
  4. Step 4: Simplify right side
    33,143.31x = 991,112,214.12
  5. Step 5: Solve for x
    x = 991,112,214.12/33,143.31
  6. Step 6: Final answer
    x = 29,903.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.