Home / 30,168.27-41,634.60-16,742.15

Finding the Fourth Proportional to 30,168.27, 41,634.60 and 16,742.15

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Solution

The fourth proportional to 30,168.27, 41,634.60 and 16,742.15 is: 23,105.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,168.27 : 41,634.60 = 16,742.15 : x
  2. Step 2: Convert to fraction form
    30,168.27/41,634.60 = 16,742.15/x
  3. Step 3: Cross multiply
    30,168.27x = 41,634.60 × 16,742.15
  4. Step 4: Simplify right side
    30,168.27x = 697,052,718.39
  5. Step 5: Solve for x
    x = 697,052,718.39/30,168.27
  6. Step 6: Final answer
    x = 23,105.49

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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.