Home / 30,170.27-41,632.97-16,740.68

Finding the Fourth Proportional to 30,170.27, 41,632.97 and 16,740.68

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Solution

The fourth proportional to 30,170.27, 41,632.97 and 16,740.68 is: 23,101.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,170.27 : 41,632.97 = 16,740.68 : x
  2. Step 2: Convert to fraction form
    30,170.27/41,632.97 = 16,740.68/x
  3. Step 3: Cross multiply
    30,170.27x = 41,632.97 × 16,740.68
  4. Step 4: Simplify right side
    30,170.27x = 696,963,936.35
  5. Step 5: Solve for x
    x = 696,963,936.35/30,170.27
  6. Step 6: Final answer
    x = 23,101.02

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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.