Home / 43,629.45-65,391.27-19,904.49

Finding the Fourth Proportional to 43,629.45, 65,391.27 and 19,904.49

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Solution

The fourth proportional to 43,629.45, 65,391.27 and 19,904.49 is: 29,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,629.45 : 65,391.27 = 19,904.49 : x
  2. Step 2: Convert to fraction form
    43,629.45/65,391.27 = 19,904.49/x
  3. Step 3: Cross multiply
    43,629.45x = 65,391.27 × 19,904.49
  4. Step 4: Simplify right side
    43,629.45x = 1,301,579,879.80
  5. Step 5: Solve for x
    x = 1,301,579,879.80/43,629.45
  6. Step 6: Final answer
    x = 29,832.60

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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.