Home / 37,855.16-52,239.42-20,860.98

Finding the Fourth Proportional to 37,855.16, 52,239.42 and 20,860.98

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Solution

The fourth proportional to 37,855.16, 52,239.42 and 20,860.98 is: 28,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,855.16 : 52,239.42 = 20,860.98 : x
  2. Step 2: Convert to fraction form
    37,855.16/52,239.42 = 20,860.98/x
  3. Step 3: Cross multiply
    37,855.16x = 52,239.42 × 20,860.98
  4. Step 4: Simplify right side
    37,855.16x = 1,089,765,299.93
  5. Step 5: Solve for x
    x = 1,089,765,299.93/37,855.16
  6. Step 6: Final answer
    x = 28,787.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.