Home / 34,450.71-51,687.57-13,391.46

Finding the Fourth Proportional to 34,450.71, 51,687.57 and 13,391.46

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Solution

The fourth proportional to 34,450.71, 51,687.57 and 13,391.46 is: 20,091.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,450.71 : 51,687.57 = 13,391.46 : x
  2. Step 2: Convert to fraction form
    34,450.71/51,687.57 = 13,391.46/x
  3. Step 3: Cross multiply
    34,450.71x = 51,687.57 × 13,391.46
  4. Step 4: Simplify right side
    34,450.71x = 692,172,026.15
  5. Step 5: Solve for x
    x = 692,172,026.15/34,450.71
  6. Step 6: Final answer
    x = 20,091.66

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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.