Home / 54,162-74,742.93-30,288.45

Finding the Fourth Proportional to 54,162, 74,742.93 and 30,288.45

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Solution

The fourth proportional to 54,162, 74,742.93 and 30,288.45 is: 41,797.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,162 : 74,742.93 = 30,288.45 : x
  2. Step 2: Convert to fraction form
    54,162/74,742.93 = 30,288.45/x
  3. Step 3: Cross multiply
    54,162x = 74,742.93 × 30,288.45
  4. Step 4: Simplify right side
    54,162x = 2,263,847,498.16
  5. Step 5: Solve for x
    x = 2,263,847,498.16/54,162
  6. Step 6: Final answer
    x = 41,797.71

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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.