Home / 34,186.86-47,190.60-20,051.55

Finding the Fourth Proportional to 34,186.86, 47,190.60 and 20,051.55

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Solution

The fourth proportional to 34,186.86, 47,190.60 and 20,051.55 is: 27,678.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,186.86 : 47,190.60 = 20,051.55 : x
  2. Step 2: Convert to fraction form
    34,186.86/47,190.60 = 20,051.55/x
  3. Step 3: Cross multiply
    34,186.86x = 47,190.60 × 20,051.55
  4. Step 4: Simplify right side
    34,186.86x = 946,244,675.43
  5. Step 5: Solve for x
    x = 946,244,675.43/34,186.86
  6. Step 6: Final answer
    x = 27,678.61

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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.