Home / 54,063.72-81,021.81-34,306.86

Finding the Fourth Proportional to 54,063.72, 81,021.81 and 34,306.86

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Solution

The fourth proportional to 54,063.72, 81,021.81 and 34,306.86 is: 51,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,063.72 : 81,021.81 = 34,306.86 : x
  2. Step 2: Convert to fraction form
    54,063.72/81,021.81 = 34,306.86/x
  3. Step 3: Cross multiply
    54,063.72x = 81,021.81 × 34,306.86
  4. Step 4: Simplify right side
    54,063.72x = 2,779,603,892.62
  5. Step 5: Solve for x
    x = 2,779,603,892.62/54,063.72
  6. Step 6: Final answer
    x = 51,413.48

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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.