Home / 31,019.63-46,529.91-7,646.06

Finding the Fourth Proportional to 31,019.63, 46,529.91 and 7,646.06

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Solution

The fourth proportional to 31,019.63, 46,529.91 and 7,646.06 is: 11,469.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,019.63 : 46,529.91 = 7,646.06 : x
  2. Step 2: Convert to fraction form
    31,019.63/46,529.91 = 7,646.06/x
  3. Step 3: Cross multiply
    31,019.63x = 46,529.91 × 7,646.06
  4. Step 4: Simplify right side
    31,019.63x = 355,770,599.98
  5. Step 5: Solve for x
    x = 355,770,599.98/31,019.63
  6. Step 6: Final answer
    x = 11,469.21

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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.