Home / 57,794.44-86,716.70-20,381.24

Finding the Fourth Proportional to 57,794.44, 86,716.70 and 20,381.24

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Solution

The fourth proportional to 57,794.44, 86,716.70 and 20,381.24 is: 30,580.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,794.44 : 86,716.70 = 20,381.24 : x
  2. Step 2: Convert to fraction form
    57,794.44/86,716.70 = 20,381.24/x
  3. Step 3: Cross multiply
    57,794.44x = 86,716.70 × 20,381.24
  4. Step 4: Simplify right side
    57,794.44x = 1,767,393,772.80
  5. Step 5: Solve for x
    x = 1,767,393,772.80/57,794.44
  6. Step 6: Final answer
    x = 30,580.69

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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.