Home / 38,557.44-57,836.16-20,125.44

Finding the Fourth Proportional to 38,557.44, 57,836.16 and 20,125.44

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Solution

The fourth proportional to 38,557.44, 57,836.16 and 20,125.44 is: 30,188.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,557.44 : 57,836.16 = 20,125.44 : x
  2. Step 2: Convert to fraction form
    38,557.44/57,836.16 = 20,125.44/x
  3. Step 3: Cross multiply
    38,557.44x = 57,836.16 × 20,125.44
  4. Step 4: Simplify right side
    38,557.44x = 1,163,978,167.91
  5. Step 5: Solve for x
    x = 1,163,978,167.91/38,557.44
  6. Step 6: Final answer
    x = 30,188.16

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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.