Home / 31,964.36-47,928.06-14,194.98

Finding the Fourth Proportional to 31,964.36, 47,928.06 and 14,194.98

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Solution

The fourth proportional to 31,964.36, 47,928.06 and 14,194.98 is: 21,284.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,964.36 : 47,928.06 = 14,194.98 : x
  2. Step 2: Convert to fraction form
    31,964.36/47,928.06 = 14,194.98/x
  3. Step 3: Cross multiply
    31,964.36x = 47,928.06 × 14,194.98
  4. Step 4: Simplify right side
    31,964.36x = 680,337,853.14
  5. Step 5: Solve for x
    x = 680,337,853.14/31,964.36
  6. Step 6: Final answer
    x = 21,284.27

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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.