Home / 54,939.36-75,816-29,788.32

Finding the Fourth Proportional to 54,939.36, 75,816 and 29,788.32

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Solution

The fourth proportional to 54,939.36, 75,816 and 29,788.32 is: 41,107.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,939.36 : 75,816 = 29,788.32 : x
  2. Step 2: Convert to fraction form
    54,939.36/75,816 = 29,788.32/x
  3. Step 3: Cross multiply
    54,939.36x = 75,816 × 29,788.32
  4. Step 4: Simplify right side
    54,939.36x = 2,258,431,269.12
  5. Step 5: Solve for x
    x = 2,258,431,269.12/54,939.36
  6. Step 6: Final answer
    x = 41,107.71

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1.5x scale

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.