Home / 54,787.70-75,616.30-31,813.94

Finding the Fourth Proportional to 54,787.70, 75,616.30 and 31,813.94

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Solution

The fourth proportional to 54,787.70, 75,616.30 and 31,813.94 is: 43,908.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,787.70 : 75,616.30 = 31,813.94 : x
  2. Step 2: Convert to fraction form
    54,787.70/75,616.30 = 31,813.94/x
  3. Step 3: Cross multiply
    54,787.70x = 75,616.30 × 31,813.94
  4. Step 4: Simplify right side
    54,787.70x = 2,405,652,431.22
  5. Step 5: Solve for x
    x = 2,405,652,431.22/54,787.70
  6. Step 6: Final answer
    x = 43,908.62

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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.