Home / 54,935.70-82,403.55-49,030.80

Finding the Fourth Proportional to 54,935.70, 82,403.55 and 49,030.80

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Solution

The fourth proportional to 54,935.70, 82,403.55 and 49,030.80 is: 73,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,935.70 : 82,403.55 = 49,030.80 : x
  2. Step 2: Convert to fraction form
    54,935.70/82,403.55 = 49,030.80/x
  3. Step 3: Cross multiply
    54,935.70x = 82,403.55 × 49,030.80
  4. Step 4: Simplify right side
    54,935.70x = 4,040,311,979.34
  5. Step 5: Solve for x
    x = 4,040,311,979.34/54,935.70
  6. Step 6: Final answer
    x = 73,546.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.