Home / 45,787.44-68,625.68-19,436.84

Finding the Fourth Proportional to 45,787.44, 68,625.68 and 19,436.84

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Solution

The fourth proportional to 45,787.44, 68,625.68 and 19,436.84 is: 29,131.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,787.44 : 68,625.68 = 19,436.84 : x
  2. Step 2: Convert to fraction form
    45,787.44/68,625.68 = 19,436.84/x
  3. Step 3: Cross multiply
    45,787.44x = 68,625.68 × 19,436.84
  4. Step 4: Simplify right side
    45,787.44x = 1,333,866,362.05
  5. Step 5: Solve for x
    x = 1,333,866,362.05/45,787.44
  6. Step 6: Final answer
    x = 29,131.71

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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.