Home / 39,908.69-55,072.93-22,003.39

Finding the Fourth Proportional to 39,908.69, 55,072.93 and 22,003.39

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Solution

The fourth proportional to 39,908.69, 55,072.93 and 22,003.39 is: 30,364.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908.69 : 55,072.93 = 22,003.39 : x
  2. Step 2: Convert to fraction form
    39,908.69/55,072.93 = 22,003.39/x
  3. Step 3: Cross multiply
    39,908.69x = 55,072.93 × 22,003.39
  4. Step 4: Simplify right side
    39,908.69x = 1,211,790,771.85
  5. Step 5: Solve for x
    x = 1,211,790,771.85/39,908.69
  6. Step 6: Final answer
    x = 30,364.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.