Home / 51,049.56-76,496.37-21,451.21

Finding the Fourth Proportional to 51,049.56, 76,496.37 and 21,451.21

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Solution

The fourth proportional to 51,049.56, 76,496.37 and 21,451.21 is: 32,144.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,049.56 : 76,496.37 = 21,451.21 : x
  2. Step 2: Convert to fraction form
    51,049.56/76,496.37 = 21,451.21/x
  3. Step 3: Cross multiply
    51,049.56x = 76,496.37 × 21,451.21
  4. Step 4: Simplify right side
    51,049.56x = 1,640,939,697.11
  5. Step 5: Solve for x
    x = 1,640,939,697.11/51,049.56
  6. Step 6: Final answer
    x = 32,144.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.