Home / 54,815.60-82,173-19,746.68

Finding the Fourth Proportional to 54,815.60, 82,173 and 19,746.68

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Solution

The fourth proportional to 54,815.60, 82,173 and 19,746.68 is: 29,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,815.60 : 82,173 = 19,746.68 : x
  2. Step 2: Convert to fraction form
    54,815.60/82,173 = 19,746.68/x
  3. Step 3: Cross multiply
    54,815.60x = 82,173 × 19,746.68
  4. Step 4: Simplify right side
    54,815.60x = 1,622,643,935.64
  5. Step 5: Solve for x
    x = 1,622,643,935.64/54,815.60
  6. Step 6: Final answer
    x = 29,601.86

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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.