Home / 37,198.03-51,333.65-20,431.03

Finding the Fourth Proportional to 37,198.03, 51,333.65 and 20,431.03

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Solution

The fourth proportional to 37,198.03, 51,333.65 and 20,431.03 is: 28,195.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,198.03 : 51,333.65 = 20,431.03 : x
  2. Step 2: Convert to fraction form
    37,198.03/51,333.65 = 20,431.03/x
  3. Step 3: Cross multiply
    37,198.03x = 51,333.65 × 20,431.03
  4. Step 4: Simplify right side
    37,198.03x = 1,048,799,343.16
  5. Step 5: Solve for x
    x = 1,048,799,343.16/37,198.03
  6. Step 6: Final answer
    x = 28,195.02

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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.