Home / 54,920.04-82,380.06-19,858.92

Finding the Fourth Proportional to 54,920.04, 82,380.06 and 19,858.92

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Solution

The fourth proportional to 54,920.04, 82,380.06 and 19,858.92 is: 29,788.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,920.04 : 82,380.06 = 19,858.92 : x
  2. Step 2: Convert to fraction form
    54,920.04/82,380.06 = 19,858.92/x
  3. Step 3: Cross multiply
    54,920.04x = 82,380.06 × 19,858.92
  4. Step 4: Simplify right side
    54,920.04x = 1,635,979,021.14
  5. Step 5: Solve for x
    x = 1,635,979,021.14/54,920.04
  6. Step 6: Final answer
    x = 29,788.38

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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.