Home / 39,879.22-59,846.44-15,861.06

Finding the Fourth Proportional to 39,879.22, 59,846.44 and 15,861.06

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Solution

The fourth proportional to 39,879.22, 59,846.44 and 15,861.06 is: 23,802.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,879.22 : 59,846.44 = 15,861.06 : x
  2. Step 2: Convert to fraction form
    39,879.22/59,846.44 = 15,861.06/x
  3. Step 3: Cross multiply
    39,879.22x = 59,846.44 × 15,861.06
  4. Step 4: Simplify right side
    39,879.22x = 949,227,975.63
  5. Step 5: Solve for x
    x = 949,227,975.63/39,879.22
  6. Step 6: Final answer
    x = 23,802.57

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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.