Home / 34,390.14-47,466.83-20,968.79

Finding the Fourth Proportional to 34,390.14, 47,466.83 and 20,968.79

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Solution

The fourth proportional to 34,390.14, 47,466.83 and 20,968.79 is: 28,942.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,390.14 : 47,466.83 = 20,968.79 : x
  2. Step 2: Convert to fraction form
    34,390.14/47,466.83 = 20,968.79/x
  3. Step 3: Cross multiply
    34,390.14x = 47,466.83 × 20,968.79
  4. Step 4: Simplify right side
    34,390.14x = 995,321,648.06
  5. Step 5: Solve for x
    x = 995,321,648.06/34,390.14
  6. Step 6: Final answer
    x = 28,942.06

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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.