Home / 34,515.15-51,762.70-13,450.49

Finding the Fourth Proportional to 34,515.15, 51,762.70 and 13,450.49

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Solution

The fourth proportional to 34,515.15, 51,762.70 and 13,450.49 is: 20,171.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,515.15 : 51,762.70 = 13,450.49 : x
  2. Step 2: Convert to fraction form
    34,515.15/51,762.70 = 13,450.49/x
  3. Step 3: Cross multiply
    34,515.15x = 51,762.70 × 13,450.49
  4. Step 4: Simplify right side
    34,515.15x = 696,233,678.72
  5. Step 5: Solve for x
    x = 696,233,678.72/34,515.15
  6. Step 6: Final answer
    x = 20,171.83

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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.