Home / 37,213.20-51,353.64-20,445.84

Finding the Fourth Proportional to 37,213.20, 51,353.64 and 20,445.84

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Solution

The fourth proportional to 37,213.20, 51,353.64 and 20,445.84 is: 28,214.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,213.20 : 51,353.64 = 20,445.84 : x
  2. Step 2: Convert to fraction form
    37,213.20/51,353.64 = 20,445.84/x
  3. Step 3: Cross multiply
    37,213.20x = 51,353.64 × 20,445.84
  4. Step 4: Simplify right side
    37,213.20x = 1,049,968,306.86
  5. Step 5: Solve for x
    x = 1,049,968,306.86/37,213.20
  6. Step 6: Final answer
    x = 28,214.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.