Home / 33,787.81-50,673.85-12,729.96

Finding the Fourth Proportional to 33,787.81, 50,673.85 and 12,729.96

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Solution

The fourth proportional to 33,787.81, 50,673.85 and 12,729.96 is: 19,091.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,787.81 : 50,673.85 = 12,729.96 : x
  2. Step 2: Convert to fraction form
    33,787.81/50,673.85 = 12,729.96/x
  3. Step 3: Cross multiply
    33,787.81x = 50,673.85 × 12,729.96
  4. Step 4: Simplify right side
    33,787.81x = 645,075,925.04
  5. Step 5: Solve for x
    x = 645,075,925.04/33,787.81
  6. Step 6: Final answer
    x = 19,091.97

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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.