Home / 54,852.58-82,261.86-19,787.68

Finding the Fourth Proportional to 54,852.58, 82,261.86 and 19,787.68

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Solution

The fourth proportional to 54,852.58, 82,261.86 and 19,787.68 is: 29,675.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,852.58 : 82,261.86 = 19,787.68 : x
  2. Step 2: Convert to fraction form
    54,852.58/82,261.86 = 19,787.68/x
  3. Step 3: Cross multiply
    54,852.58x = 82,261.86 × 19,787.68
  4. Step 4: Simplify right side
    54,852.58x = 1,627,771,361.88
  5. Step 5: Solve for x
    x = 1,627,771,361.88/54,852.58
  6. Step 6: Final answer
    x = 29,675.38

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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.