Home / 43,579.86-65,372.08-13,995.38

Finding the Fourth Proportional to 43,579.86, 65,372.08 and 13,995.38

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Solution

The fourth proportional to 43,579.86, 65,372.08 and 13,995.38 is: 20,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,579.86 : 65,372.08 = 13,995.38 : x
  2. Step 2: Convert to fraction form
    43,579.86/65,372.08 = 13,995.38/x
  3. Step 3: Cross multiply
    43,579.86x = 65,372.08 × 13,995.38
  4. Step 4: Simplify right side
    43,579.86x = 914,907,100.99
  5. Step 5: Solve for x
    x = 914,907,100.99/43,579.86
  6. Step 6: Final answer
    x = 20,993.81

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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.