Home / 54,852.08-82,261.08-19,787.18

Finding the Fourth Proportional to 54,852.08, 82,261.08 and 19,787.18

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Solution

The fourth proportional to 54,852.08, 82,261.08 and 19,787.18 is: 29,674.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,852.08 : 82,261.08 = 19,787.18 : x
  2. Step 2: Convert to fraction form
    54,852.08/82,261.08 = 19,787.18/x
  3. Step 3: Cross multiply
    54,852.08x = 82,261.08 × 19,787.18
  4. Step 4: Simplify right side
    54,852.08x = 1,627,714,796.95
  5. Step 5: Solve for x
    x = 1,627,714,796.95/54,852.08
  6. Step 6: Final answer
    x = 29,674.62

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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.