Home / 54,853.58-82,263.36-19,788.68

Finding the Fourth Proportional to 54,853.58, 82,263.36 and 19,788.68

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Solution

The fourth proportional to 54,853.58, 82,263.36 and 19,788.68 is: 29,676.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,853.58 : 82,263.36 = 19,788.68 : x
  2. Step 2: Convert to fraction form
    54,853.58/82,263.36 = 19,788.68/x
  3. Step 3: Cross multiply
    54,853.58x = 82,263.36 × 19,788.68
  4. Step 4: Simplify right side
    54,853.58x = 1,627,883,306.76
  5. Step 5: Solve for x
    x = 1,627,883,306.76/54,853.58
  6. Step 6: Final answer
    x = 29,676.88

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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.