Home / 37,990.88-52,427.08-20,996.27

Finding the Fourth Proportional to 37,990.88, 52,427.08 and 20,996.27

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Solution

The fourth proportional to 37,990.88, 52,427.08 and 20,996.27 is: 28,974.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,990.88 : 52,427.08 = 20,996.27 : x
  2. Step 2: Convert to fraction form
    37,990.88/52,427.08 = 20,996.27/x
  3. Step 3: Cross multiply
    37,990.88x = 52,427.08 × 20,996.27
  4. Step 4: Simplify right side
    37,990.88x = 1,100,773,126.99
  5. Step 5: Solve for x
    x = 1,100,773,126.99/37,990.88
  6. Step 6: Final answer
    x = 28,974.67

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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.