Home / 54,924.12-82,386.15-19,855.58

Finding the Fourth Proportional to 54,924.12, 82,386.15 and 19,855.58

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Solution

The fourth proportional to 54,924.12, 82,386.15 and 19,855.58 is: 29,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,924.12 : 82,386.15 = 19,855.58 : x
  2. Step 2: Convert to fraction form
    54,924.12/82,386.15 = 19,855.58/x
  3. Step 3: Cross multiply
    54,924.12x = 82,386.15 × 19,855.58
  4. Step 4: Simplify right side
    54,924.12x = 1,635,824,380.29
  5. Step 5: Solve for x
    x = 1,635,824,380.29/54,924.12
  6. Step 6: Final answer
    x = 29,783.35

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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.