Home / 37,996.37-52,433.36-20,999.74

Finding the Fourth Proportional to 37,996.37, 52,433.36 and 20,999.74

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Solution

The fourth proportional to 37,996.37, 52,433.36 and 20,999.74 is: 28,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,996.37 : 52,433.36 = 20,999.74 : x
  2. Step 2: Convert to fraction form
    37,996.37/52,433.36 = 20,999.74/x
  3. Step 3: Cross multiply
    37,996.37x = 52,433.36 × 20,999.74
  4. Step 4: Simplify right side
    37,996.37x = 1,101,086,560.16
  5. Step 5: Solve for x
    x = 1,101,086,560.16/37,996.37
  6. Step 6: Final answer
    x = 28,978.73

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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.