Home / 54,078.86-74,629.14-30,206.54

Finding the Fourth Proportional to 54,078.86, 74,629.14 and 30,206.54

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Solution

The fourth proportional to 54,078.86, 74,629.14 and 30,206.54 is: 41,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,078.86 : 74,629.14 = 30,206.54 : x
  2. Step 2: Convert to fraction form
    54,078.86/74,629.14 = 30,206.54/x
  3. Step 3: Cross multiply
    54,078.86x = 74,629.14 × 30,206.54
  4. Step 4: Simplify right side
    54,078.86x = 2,254,288,102.58
  5. Step 5: Solve for x
    x = 2,254,288,102.58/54,078.86
  6. Step 6: Final answer
    x = 41,685.20

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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.