Home / 34,201.20-47,197.62-20,768.88

Finding the Fourth Proportional to 34,201.20, 47,197.62 and 20,768.88

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Solution

The fourth proportional to 34,201.20, 47,197.62 and 20,768.88 is: 28,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,201.20 : 47,197.62 = 20,768.88 : x
  2. Step 2: Convert to fraction form
    34,201.20/47,197.62 = 20,768.88/x
  3. Step 3: Cross multiply
    34,201.20x = 47,197.62 × 20,768.88
  4. Step 4: Simplify right side
    34,201.20x = 980,241,706.07
  5. Step 5: Solve for x
    x = 980,241,706.07/34,201.20
  6. Step 6: Final answer
    x = 28,661.03

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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.