Home / 31,740.85-47,623.43-14,198.07

Finding the Fourth Proportional to 31,740.85, 47,623.43 and 14,198.07

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Solution

The fourth proportional to 31,740.85, 47,623.43 and 14,198.07 is: 21,302.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,740.85 : 47,623.43 = 14,198.07 : x
  2. Step 2: Convert to fraction form
    31,740.85/47,623.43 = 14,198.07/x
  3. Step 3: Cross multiply
    31,740.85x = 47,623.43 × 14,198.07
  4. Step 4: Simplify right side
    31,740.85x = 676,160,792.78
  5. Step 5: Solve for x
    x = 676,160,792.78/31,740.85
  6. Step 6: Final answer
    x = 21,302.54

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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.