Home / 54,162.75-74,743.97-30,289.20

Finding the Fourth Proportional to 54,162.75, 74,743.97 and 30,289.20

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Solution

The fourth proportional to 54,162.75, 74,743.97 and 30,289.20 is: 41,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,162.75 : 74,743.97 = 30,289.20 : x
  2. Step 2: Convert to fraction form
    54,162.75/74,743.97 = 30,289.20/x
  3. Step 3: Cross multiply
    54,162.75x = 74,743.97 × 30,289.20
  4. Step 4: Simplify right side
    54,162.75x = 2,263,934,904.68
  5. Step 5: Solve for x
    x = 2,263,934,904.68/54,162.75
  6. Step 6: Final answer
    x = 41,798.74

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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.