Home / 31,015.37-46,486.13-21,604.43

Finding the Fourth Proportional to 31,015.37, 46,486.13 and 21,604.43

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Solution

The fourth proportional to 31,015.37, 46,486.13 and 21,604.43 is: 32,380.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,015.37 : 46,486.13 = 21,604.43 : x
  2. Step 2: Convert to fraction form
    31,015.37/46,486.13 = 21,604.43/x
  3. Step 3: Cross multiply
    31,015.37x = 46,486.13 × 21,604.43
  4. Step 4: Simplify right side
    31,015.37x = 1,004,306,341.56
  5. Step 5: Solve for x
    x = 1,004,306,341.56/31,015.37
  6. Step 6: Final answer
    x = 32,380.92

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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.