Home / 29,015.62-43,423.99-20,141.03

Finding the Fourth Proportional to 29,015.62, 43,423.99 and 20,141.03

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Solution

The fourth proportional to 29,015.62, 43,423.99 and 20,141.03 is: 30,142.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,015.62 : 43,423.99 = 20,141.03 : x
  2. Step 2: Convert to fraction form
    29,015.62/43,423.99 = 20,141.03/x
  3. Step 3: Cross multiply
    29,015.62x = 43,423.99 × 20,141.03
  4. Step 4: Simplify right side
    29,015.62x = 874,603,885.31
  5. Step 5: Solve for x
    x = 874,603,885.31/29,015.62
  6. Step 6: Final answer
    x = 30,142.52

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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.