Home / 54,950.06-82,431.71-19,404.07

Finding the Fourth Proportional to 54,950.06, 82,431.71 and 19,404.07

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Solution

The fourth proportional to 54,950.06, 82,431.71 and 19,404.07 is: 29,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,950.06 : 82,431.71 = 19,404.07 : x
  2. Step 2: Convert to fraction form
    54,950.06/82,431.71 = 19,404.07/x
  3. Step 3: Cross multiply
    54,950.06x = 82,431.71 × 19,404.07
  4. Step 4: Simplify right side
    54,950.06x = 1,599,510,367.96
  5. Step 5: Solve for x
    x = 1,599,510,367.96/54,950.06
  6. Step 6: Final answer
    x = 29,108.44

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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.