Home / 60,911.05-91,379.62-18,219.83

Finding the Fourth Proportional to 60,911.05, 91,379.62 and 18,219.83

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Solution

The fourth proportional to 60,911.05, 91,379.62 and 18,219.83 is: 27,333.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,911.05 : 91,379.62 = 18,219.83 : x
  2. Step 2: Convert to fraction form
    60,911.05/91,379.62 = 18,219.83/x
  3. Step 3: Cross multiply
    60,911.05x = 91,379.62 × 18,219.83
  4. Step 4: Simplify right side
    60,911.05x = 1,664,921,141.86
  5. Step 5: Solve for x
    x = 1,664,921,141.86/60,911.05
  6. Step 6: Final answer
    x = 27,333.65

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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.