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Finding the Fourth Proportional to 54,886, 75,743.22 and 29,736.04

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Solution

The fourth proportional to 54,886, 75,743.22 and 29,736.04 is: 41,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,886 : 75,743.22 = 29,736.04 : x
  2. Step 2: Convert to fraction form
    54,886/75,743.22 = 29,736.04/x
  3. Step 3: Cross multiply
    54,886x = 75,743.22 × 29,736.04
  4. Step 4: Simplify right side
    54,886x = 2,252,303,419.65
  5. Step 5: Solve for x
    x = 2,252,303,419.65/54,886
  6. Step 6: Final answer
    x = 41,036.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.