Home / 38,589.78-57,843.63-18,586.80

Finding the Fourth Proportional to 38,589.78, 57,843.63 and 18,586.80

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Solution

The fourth proportional to 38,589.78, 57,843.63 and 18,586.80 is: 27,860.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,589.78 : 57,843.63 = 18,586.80 : x
  2. Step 2: Convert to fraction form
    38,589.78/57,843.63 = 18,586.80/x
  3. Step 3: Cross multiply
    38,589.78x = 57,843.63 × 18,586.80
  4. Step 4: Simplify right side
    38,589.78x = 1,075,127,982.08
  5. Step 5: Solve for x
    x = 1,075,127,982.08/38,589.78
  6. Step 6: Final answer
    x = 27,860.43

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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.