Home / 54,704.20-82,056.30-19,647.40

Finding the Fourth Proportional to 54,704.20, 82,056.30 and 19,647.40

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Solution

The fourth proportional to 54,704.20, 82,056.30 and 19,647.40 is: 29,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,704.20 : 82,056.30 = 19,647.40 : x
  2. Step 2: Convert to fraction form
    54,704.20/82,056.30 = 19,647.40/x
  3. Step 3: Cross multiply
    54,704.20x = 82,056.30 × 19,647.40
  4. Step 4: Simplify right side
    54,704.20x = 1,612,192,948.62
  5. Step 5: Solve for x
    x = 1,612,192,948.62/54,704.20
  6. Step 6: Final answer
    x = 29,471.10

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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.