Home / 29,220.72-40,328.52-16,476.42

Finding the Fourth Proportional to 29,220.72, 40,328.52 and 16,476.42

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Solution

The fourth proportional to 29,220.72, 40,328.52 and 16,476.42 is: 22,739.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,220.72 : 40,328.52 = 16,476.42 : x
  2. Step 2: Convert to fraction form
    29,220.72/40,328.52 = 16,476.42/x
  3. Step 3: Cross multiply
    29,220.72x = 40,328.52 × 16,476.42
  4. Step 4: Simplify right side
    29,220.72x = 664,469,633.50
  5. Step 5: Solve for x
    x = 664,469,633.50/29,220.72
  6. Step 6: Final answer
    x = 22,739.67

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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.