Home / 37,657.75-51,968.38-20,662.84

Finding the Fourth Proportional to 37,657.75, 51,968.38 and 20,662.84

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Solution

The fourth proportional to 37,657.75, 51,968.38 and 20,662.84 is: 28,515.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,657.75 : 51,968.38 = 20,662.84 : x
  2. Step 2: Convert to fraction form
    37,657.75/51,968.38 = 20,662.84/x
  3. Step 3: Cross multiply
    37,657.75x = 51,968.38 × 20,662.84
  4. Step 4: Simplify right side
    37,657.75x = 1,073,814,087.76
  5. Step 5: Solve for x
    x = 1,073,814,087.76/37,657.75
  6. Step 6: Final answer
    x = 28,515.09

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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.