Home / 29,136.96-40,208.22-16,391.52

Finding the Fourth Proportional to 29,136.96, 40,208.22 and 16,391.52

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Solution

The fourth proportional to 29,136.96, 40,208.22 and 16,391.52 is: 22,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,136.96 : 40,208.22 = 16,391.52 : x
  2. Step 2: Convert to fraction form
    29,136.96/40,208.22 = 16,391.52/x
  3. Step 3: Cross multiply
    29,136.96x = 40,208.22 × 16,391.52
  4. Step 4: Simplify right side
    29,136.96x = 659,073,842.29
  5. Step 5: Solve for x
    x = 659,073,842.29/29,136.96
  6. Step 6: Final answer
    x = 22,619.86

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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.