Home / 54,668.20-82,002.30-19,611.40

Finding the Fourth Proportional to 54,668.20, 82,002.30 and 19,611.40

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Solution

The fourth proportional to 54,668.20, 82,002.30 and 19,611.40 is: 29,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,668.20 : 82,002.30 = 19,611.40 : x
  2. Step 2: Convert to fraction form
    54,668.20/82,002.30 = 19,611.40/x
  3. Step 3: Cross multiply
    54,668.20x = 82,002.30 × 19,611.40
  4. Step 4: Simplify right side
    54,668.20x = 1,608,179,906.22
  5. Step 5: Solve for x
    x = 1,608,179,906.22/54,668.20
  6. Step 6: Final answer
    x = 29,417.10

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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.