Home / 30,164.49-41,622.81-20,099.43

Finding the Fourth Proportional to 30,164.49, 41,622.81 and 20,099.43

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Solution

The fourth proportional to 30,164.49, 41,622.81 and 20,099.43 is: 27,734.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164.49 : 41,622.81 = 20,099.43 : x
  2. Step 2: Convert to fraction form
    30,164.49/41,622.81 = 20,099.43/x
  3. Step 3: Cross multiply
    30,164.49x = 41,622.81 × 20,099.43
  4. Step 4: Simplify right side
    30,164.49x = 836,594,756.00
  5. Step 5: Solve for x
    x = 836,594,756.00/30,164.49
  6. Step 6: Final answer
    x = 27,734.42

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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.