Home / 29,022.81-43,550.62-12,381.27

Finding the Fourth Proportional to 29,022.81, 43,550.62 and 12,381.27

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Solution

The fourth proportional to 29,022.81, 43,550.62 and 12,381.27 is: 18,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,022.81 : 43,550.62 = 12,381.27 : x
  2. Step 2: Convert to fraction form
    29,022.81/43,550.62 = 12,381.27/x
  3. Step 3: Cross multiply
    29,022.81x = 43,550.62 × 12,381.27
  4. Step 4: Simplify right side
    29,022.81x = 539,211,984.89
  5. Step 5: Solve for x
    x = 539,211,984.89/29,022.81
  6. Step 6: Final answer
    x = 18,578.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.