Home / 34,390.56-47,467.41-20,969.22

Finding the Fourth Proportional to 34,390.56, 47,467.41 and 20,969.22

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Solution

The fourth proportional to 34,390.56, 47,467.41 and 20,969.22 is: 28,942.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,390.56 : 47,467.41 = 20,969.22 : x
  2. Step 2: Convert to fraction form
    34,390.56/47,467.41 = 20,969.22/x
  3. Step 3: Cross multiply
    34,390.56x = 47,467.41 × 20,969.22
  4. Step 4: Simplify right side
    34,390.56x = 995,354,563.12
  5. Step 5: Solve for x
    x = 995,354,563.12/34,390.56
  6. Step 6: Final answer
    x = 28,942.67

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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.