Home / 54,938.77-75,815.25-29,788.27

Finding the Fourth Proportional to 54,938.77, 75,815.25 and 29,788.27

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Solution

The fourth proportional to 54,938.77, 75,815.25 and 29,788.27 is: 41,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,938.77 : 75,815.25 = 29,788.27 : x
  2. Step 2: Convert to fraction form
    54,938.77/75,815.25 = 29,788.27/x
  3. Step 3: Cross multiply
    54,938.77x = 75,815.25 × 29,788.27
  4. Step 4: Simplify right side
    54,938.77x = 2,258,405,137.12
  5. Step 5: Solve for x
    x = 2,258,405,137.12/54,938.77
  6. Step 6: Final answer
    x = 41,107.68

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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.