Home / 31,751.42-47,623.77-13,033.43

Finding the Fourth Proportional to 31,751.42, 47,623.77 and 13,033.43

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Solution

The fourth proportional to 31,751.42, 47,623.77 and 13,033.43 is: 19,548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,751.42 : 47,623.77 = 13,033.43 : x
  2. Step 2: Convert to fraction form
    31,751.42/47,623.77 = 13,033.43/x
  3. Step 3: Cross multiply
    31,751.42x = 47,623.77 × 13,033.43
  4. Step 4: Simplify right side
    31,751.42x = 620,701,072.63
  5. Step 5: Solve for x
    x = 620,701,072.63/31,751.42
  6. Step 6: Final answer
    x = 19,548.77

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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.