Home / 54,940.48-82,394.52-28,631.68

Finding the Fourth Proportional to 54,940.48, 82,394.52 and 28,631.68

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Solution

The fourth proportional to 54,940.48, 82,394.52 and 28,631.68 is: 42,939.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,940.48 : 82,394.52 = 28,631.68 : x
  2. Step 2: Convert to fraction form
    54,940.48/82,394.52 = 28,631.68/x
  3. Step 3: Cross multiply
    54,940.48x = 82,394.52 × 28,631.68
  4. Step 4: Simplify right side
    54,940.48x = 2,359,093,530.39
  5. Step 5: Solve for x
    x = 2,359,093,530.39/54,940.48
  6. Step 6: Final answer
    x = 42,939.08

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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.