Home / 31,771.56-43,846.74-18,345.27

Finding the Fourth Proportional to 31,771.56, 43,846.74 and 18,345.27

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Solution

The fourth proportional to 31,771.56, 43,846.74 and 18,345.27 is: 25,317.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,771.56 : 43,846.74 = 18,345.27 : x
  2. Step 2: Convert to fraction form
    31,771.56/43,846.74 = 18,345.27/x
  3. Step 3: Cross multiply
    31,771.56x = 43,846.74 × 18,345.27
  4. Step 4: Simplify right side
    31,771.56x = 804,380,283.92
  5. Step 5: Solve for x
    x = 804,380,283.92/31,771.56
  6. Step 6: Final answer
    x = 25,317.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.