Home / 33,179.81-45,787.75-18,072.42

Finding the Fourth Proportional to 33,179.81, 45,787.75 and 18,072.42

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Solution

The fourth proportional to 33,179.81, 45,787.75 and 18,072.42 is: 24,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,179.81 : 45,787.75 = 18,072.42 : x
  2. Step 2: Convert to fraction form
    33,179.81/45,787.75 = 18,072.42/x
  3. Step 3: Cross multiply
    33,179.81x = 45,787.75 × 18,072.42
  4. Step 4: Simplify right side
    33,179.81x = 827,495,489.53
  5. Step 5: Solve for x
    x = 827,495,489.53/33,179.81
  6. Step 6: Final answer
    x = 24,939.73

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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.