Home / 54,183.94-74,607.69-47,431.78

Finding the Fourth Proportional to 54,183.94, 74,607.69 and 47,431.78

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Solution

The fourth proportional to 54,183.94, 74,607.69 and 47,431.78 is: 65,310.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,183.94 : 74,607.69 = 47,431.78 : x
  2. Step 2: Convert to fraction form
    54,183.94/74,607.69 = 47,431.78/x
  3. Step 3: Cross multiply
    54,183.94x = 74,607.69 × 47,431.78
  4. Step 4: Simplify right side
    54,183.94x = 3,538,775,538.39
  5. Step 5: Solve for x
    x = 3,538,775,538.39/54,183.94
  6. Step 6: Final answer
    x = 65,310.41

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1.5x scale

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.