Home / 37,991.67-52,426.89-20,996.55

Finding the Fourth Proportional to 37,991.67, 52,426.89 and 20,996.55

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Solution

The fourth proportional to 37,991.67, 52,426.89 and 20,996.55 is: 28,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,991.67 : 52,426.89 = 20,996.55 : x
  2. Step 2: Convert to fraction form
    37,991.67/52,426.89 = 20,996.55/x
  3. Step 3: Cross multiply
    37,991.67x = 52,426.89 × 20,996.55
  4. Step 4: Simplify right side
    37,991.67x = 1,100,783,817.23
  5. Step 5: Solve for x
    x = 1,100,783,817.23/37,991.67
  6. Step 6: Final answer
    x = 28,974.35

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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.