Home / 31,393.77-47,016.83-14,717.89

Finding the Fourth Proportional to 31,393.77, 47,016.83 and 14,717.89

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Solution

The fourth proportional to 31,393.77, 47,016.83 and 14,717.89 is: 22,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,393.77 : 47,016.83 = 14,717.89 : x
  2. Step 2: Convert to fraction form
    31,393.77/47,016.83 = 14,717.89/x
  3. Step 3: Cross multiply
    31,393.77x = 47,016.83 × 14,717.89
  4. Step 4: Simplify right side
    31,393.77x = 691,988,532.09
  5. Step 5: Solve for x
    x = 691,988,532.09/31,393.77
  6. Step 6: Final answer
    x = 22,042.22

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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.