Home / 54,936.05-82,404.07-19,867.50

Finding the Fourth Proportional to 54,936.05, 82,404.07 and 19,867.50

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Solution

The fourth proportional to 54,936.05, 82,404.07 and 19,867.50 is: 29,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,936.05 : 82,404.07 = 19,867.50 : x
  2. Step 2: Convert to fraction form
    54,936.05/82,404.07 = 19,867.50/x
  3. Step 3: Cross multiply
    54,936.05x = 82,404.07 × 19,867.50
  4. Step 4: Simplify right side
    54,936.05x = 1,637,162,811.06
  5. Step 5: Solve for x
    x = 1,637,162,811.06/54,936.05
  6. Step 6: Final answer
    x = 29,801.25

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Similar ratio
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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.