Home / 30,166.80-41,632.72-16,740.86

Finding the Fourth Proportional to 30,166.80, 41,632.72 and 16,740.86

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Solution

The fourth proportional to 30,166.80, 41,632.72 and 16,740.86 is: 23,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166.80 : 41,632.72 = 16,740.86 : x
  2. Step 2: Convert to fraction form
    30,166.80/41,632.72 = 16,740.86/x
  3. Step 3: Cross multiply
    30,166.80x = 41,632.72 × 16,740.86
  4. Step 4: Simplify right side
    30,166.80x = 696,967,536.94
  5. Step 5: Solve for x
    x = 696,967,536.94/30,166.80
  6. Step 6: Final answer
    x = 23,103.79

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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.