Home / 54,917.60-75,788.07-30,388.68

Finding the Fourth Proportional to 54,917.60, 75,788.07 and 30,388.68

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Solution

The fourth proportional to 54,917.60, 75,788.07 and 30,388.68 is: 41,937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,917.60 : 75,788.07 = 30,388.68 : x
  2. Step 2: Convert to fraction form
    54,917.60/75,788.07 = 30,388.68/x
  3. Step 3: Cross multiply
    54,917.60x = 75,788.07 × 30,388.68
  4. Step 4: Simplify right side
    54,917.60x = 2,303,099,255.10
  5. Step 5: Solve for x
    x = 2,303,099,255.10/54,917.60
  6. Step 6: Final answer
    x = 41,937.37

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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.