Home / 31,166.48-46,729.20-14,517.56

Finding the Fourth Proportional to 31,166.48, 46,729.20 and 14,517.56

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Solution

The fourth proportional to 31,166.48, 46,729.20 and 14,517.56 is: 21,766.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,166.48 : 46,729.20 = 14,517.56 : x
  2. Step 2: Convert to fraction form
    31,166.48/46,729.20 = 14,517.56/x
  3. Step 3: Cross multiply
    31,166.48x = 46,729.20 × 14,517.56
  4. Step 4: Simplify right side
    31,166.48x = 678,393,964.75
  5. Step 5: Solve for x
    x = 678,393,964.75/31,166.48
  6. Step 6: Final answer
    x = 21,766.78

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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.