Home / 60,991.22-91,450.68-18,858.83

Finding the Fourth Proportional to 60,991.22, 91,450.68 and 18,858.83

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Solution

The fourth proportional to 60,991.22, 91,450.68 and 18,858.83 is: 28,277.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,991.22 : 91,450.68 = 18,858.83 : x
  2. Step 2: Convert to fraction form
    60,991.22/91,450.68 = 18,858.83/x
  3. Step 3: Cross multiply
    60,991.22x = 91,450.68 × 18,858.83
  4. Step 4: Simplify right side
    60,991.22x = 1,724,652,370.25
  5. Step 5: Solve for x
    x = 1,724,652,370.25/60,991.22
  6. Step 6: Final answer
    x = 28,277.06

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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.