Home / 54,847.51-82,271.27-19,787.15

Finding the Fourth Proportional to 54,847.51, 82,271.27 and 19,787.15

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Solution

The fourth proportional to 54,847.51, 82,271.27 and 19,787.15 is: 29,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,847.51 : 82,271.27 = 19,787.15 : x
  2. Step 2: Convert to fraction form
    54,847.51/82,271.27 = 19,787.15/x
  3. Step 3: Cross multiply
    54,847.51x = 82,271.27 × 19,787.15
  4. Step 4: Simplify right side
    54,847.51x = 1,627,914,215.33
  5. Step 5: Solve for x
    x = 1,627,914,215.33/54,847.51
  6. Step 6: Final answer
    x = 29,680.73

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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.