Home / 54,845.84-82,268.73-19,785.47

Finding the Fourth Proportional to 54,845.84, 82,268.73 and 19,785.47

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Solution

The fourth proportional to 54,845.84, 82,268.73 and 19,785.47 is: 29,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,845.84 : 82,268.73 = 19,785.47 : x
  2. Step 2: Convert to fraction form
    54,845.84/82,268.73 = 19,785.47/x
  3. Step 3: Cross multiply
    54,845.84x = 82,268.73 × 19,785.47
  4. Step 4: Simplify right side
    54,845.84x = 1,627,725,078.01
  5. Step 5: Solve for x
    x = 1,627,725,078.01/54,845.84
  6. Step 6: Final answer
    x = 29,678.19

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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.