Home / 54,852.98-82,230.21-19,784.43

Finding the Fourth Proportional to 54,852.98, 82,230.21 and 19,784.43

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Solution

The fourth proportional to 54,852.98, 82,230.21 and 19,784.43 is: 29,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,852.98 : 82,230.21 = 19,784.43 : x
  2. Step 2: Convert to fraction form
    54,852.98/82,230.21 = 19,784.43/x
  3. Step 3: Cross multiply
    54,852.98x = 82,230.21 × 19,784.43
  4. Step 4: Simplify right side
    54,852.98x = 1,626,877,833.63
  5. Step 5: Solve for x
    x = 1,626,877,833.63/54,852.98
  6. Step 6: Final answer
    x = 29,658.88

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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.