Home / 31,274.46-46,922.58-13,745.64

Finding the Fourth Proportional to 31,274.46, 46,922.58 and 13,745.64

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Solution

The fourth proportional to 31,274.46, 46,922.58 and 13,745.64 is: 20,623.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,274.46 : 46,922.58 = 13,745.64 : x
  2. Step 2: Convert to fraction form
    31,274.46/46,922.58 = 13,745.64/x
  3. Step 3: Cross multiply
    31,274.46x = 46,922.58 × 13,745.64
  4. Step 4: Simplify right side
    31,274.46x = 644,980,892.55
  5. Step 5: Solve for x
    x = 644,980,892.55/31,274.46
  6. Step 6: Final answer
    x = 20,623.25

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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.