Home / 31,385.07-47,087.33-14,744.43

Finding the Fourth Proportional to 31,385.07, 47,087.33 and 14,744.43

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Solution

The fourth proportional to 31,385.07, 47,087.33 and 14,744.43 is: 22,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,385.07 : 47,087.33 = 14,744.43 : x
  2. Step 2: Convert to fraction form
    31,385.07/47,087.33 = 14,744.43/x
  3. Step 3: Cross multiply
    31,385.07x = 47,087.33 × 14,744.43
  4. Step 4: Simplify right side
    31,385.07x = 694,275,767.35
  5. Step 5: Solve for x
    x = 694,275,767.35/31,385.07
  6. Step 6: Final answer
    x = 22,121.21

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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.