Home / 54,986.63-82,481.48-19,442.92

Finding the Fourth Proportional to 54,986.63, 82,481.48 and 19,442.92

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Solution

The fourth proportional to 54,986.63, 82,481.48 and 19,442.92 is: 29,164.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,986.63 : 82,481.48 = 19,442.92 : x
  2. Step 2: Convert to fraction form
    54,986.63/82,481.48 = 19,442.92/x
  3. Step 3: Cross multiply
    54,986.63x = 82,481.48 × 19,442.92
  4. Step 4: Simplify right side
    54,986.63x = 1,603,681,123.41
  5. Step 5: Solve for x
    x = 1,603,681,123.41/54,986.63
  6. Step 6: Final answer
    x = 29,164.93

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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.