Home / 34,152.12-51,234.63-15,431.94

Finding the Fourth Proportional to 34,152.12, 51,234.63 and 15,431.94

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Solution

The fourth proportional to 34,152.12, 51,234.63 and 15,431.94 is: 23,150.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,152.12 : 51,234.63 = 15,431.94 : x
  2. Step 2: Convert to fraction form
    34,152.12/51,234.63 = 15,431.94/x
  3. Step 3: Cross multiply
    34,152.12x = 51,234.63 × 15,431.94
  4. Step 4: Simplify right side
    34,152.12x = 790,649,736.08
  5. Step 5: Solve for x
    x = 790,649,736.08/34,152.12
  6. Step 6: Final answer
    x = 23,150.82

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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.