Home / 57,795.44-86,718.20-20,382.24

Finding the Fourth Proportional to 57,795.44, 86,718.20 and 20,382.24

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Solution

The fourth proportional to 57,795.44, 86,718.20 and 20,382.24 is: 30,582.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,795.44 : 86,718.20 = 20,382.24 : x
  2. Step 2: Convert to fraction form
    57,795.44/86,718.20 = 20,382.24/x
  3. Step 3: Cross multiply
    57,795.44x = 86,718.20 × 20,382.24
  4. Step 4: Simplify right side
    57,795.44x = 1,767,511,164.77
  5. Step 5: Solve for x
    x = 1,767,511,164.77/57,795.44
  6. Step 6: Final answer
    x = 30,582.19

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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.