Home / 39,910.84-55,072.74-22,004.78

Finding the Fourth Proportional to 39,910.84, 55,072.74 and 22,004.78

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Solution

The fourth proportional to 39,910.84, 55,072.74 and 22,004.78 is: 30,364.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,910.84 : 55,072.74 = 22,004.78 : x
  2. Step 2: Convert to fraction form
    39,910.84/55,072.74 = 22,004.78/x
  3. Step 3: Cross multiply
    39,910.84x = 55,072.74 × 22,004.78
  4. Step 4: Simplify right side
    39,910.84x = 1,211,863,527.70
  5. Step 5: Solve for x
    x = 1,211,863,527.70/39,910.84
  6. Step 6: Final answer
    x = 30,364.27

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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.