Home / 43,112.44-64,629.78-15,403.96

Finding the Fourth Proportional to 43,112.44, 64,629.78 and 15,403.96

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Solution

The fourth proportional to 43,112.44, 64,629.78 and 15,403.96 is: 23,092.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,112.44 : 64,629.78 = 15,403.96 : x
  2. Step 2: Convert to fraction form
    43,112.44/64,629.78 = 15,403.96/x
  3. Step 3: Cross multiply
    43,112.44x = 64,629.78 × 15,403.96
  4. Step 4: Simplify right side
    43,112.44x = 995,554,545.93
  5. Step 5: Solve for x
    x = 995,554,545.93/43,112.44
  6. Step 6: Final answer
    x = 23,092.05

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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.