Home / 31,255.92-46,895.76-20,183.76

Finding the Fourth Proportional to 31,255.92, 46,895.76 and 20,183.76

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Solution

The fourth proportional to 31,255.92, 46,895.76 and 20,183.76 is: 30,283.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.92 : 46,895.76 = 20,183.76 : x
  2. Step 2: Convert to fraction form
    31,255.92/46,895.76 = 20,183.76/x
  3. Step 3: Cross multiply
    31,255.92x = 46,895.76 × 20,183.76
  4. Step 4: Simplify right side
    31,255.92x = 946,532,764.86
  5. Step 5: Solve for x
    x = 946,532,764.86/31,255.92
  6. Step 6: Final answer
    x = 30,283.31

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1.5x scale

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.