Home / 34,125.21-51,243.39-21,060.63

Finding the Fourth Proportional to 34,125.21, 51,243.39 and 21,060.63

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Solution

The fourth proportional to 34,125.21, 51,243.39 and 21,060.63 is: 31,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,125.21 : 51,243.39 = 21,060.63 : x
  2. Step 2: Convert to fraction form
    34,125.21/51,243.39 = 21,060.63/x
  3. Step 3: Cross multiply
    34,125.21x = 51,243.39 × 21,060.63
  4. Step 4: Simplify right side
    34,125.21x = 1,079,218,076.74
  5. Step 5: Solve for x
    x = 1,079,218,076.74/34,125.21
  6. Step 6: Final answer
    x = 31,625.24

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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.