Home / 31,247.02-46,811.68-15,433.54

Finding the Fourth Proportional to 31,247.02, 46,811.68 and 15,433.54

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Solution

The fourth proportional to 31,247.02, 46,811.68 and 15,433.54 is: 23,121.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,247.02 : 46,811.68 = 15,433.54 : x
  2. Step 2: Convert to fraction form
    31,247.02/46,811.68 = 15,433.54/x
  3. Step 3: Cross multiply
    31,247.02x = 46,811.68 × 15,433.54
  4. Step 4: Simplify right side
    31,247.02x = 722,469,935.75
  5. Step 5: Solve for x
    x = 722,469,935.75/31,247.02
  6. Step 6: Final answer
    x = 23,121.24

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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.