Home / 31,047.23-46,571.28-8,860.61

Finding the Fourth Proportional to 31,047.23, 46,571.28 and 8,860.61

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Solution

The fourth proportional to 31,047.23, 46,571.28 and 8,860.61 is: 13,291.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,047.23 : 46,571.28 = 8,860.61 : x
  2. Step 2: Convert to fraction form
    31,047.23/46,571.28 = 8,860.61/x
  3. Step 3: Cross multiply
    31,047.23x = 46,571.28 × 8,860.61
  4. Step 4: Simplify right side
    31,047.23x = 412,649,672.12
  5. Step 5: Solve for x
    x = 412,649,672.12/31,047.23
  6. Step 6: Final answer
    x = 13,291.03

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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.