Home / 54,018.54-81,052.11-34,291.80

Finding the Fourth Proportional to 54,018.54, 81,052.11 and 34,291.80

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Solution

The fourth proportional to 54,018.54, 81,052.11 and 34,291.80 is: 51,453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,018.54 : 81,052.11 = 34,291.80 : x
  2. Step 2: Convert to fraction form
    54,018.54/81,052.11 = 34,291.80/x
  3. Step 3: Cross multiply
    54,018.54x = 81,052.11 × 34,291.80
  4. Step 4: Simplify right side
    54,018.54x = 2,779,422,745.70
  5. Step 5: Solve for x
    x = 2,779,422,745.70/54,018.54
  6. Step 6: Final answer
    x = 51,453.13

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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.