Home / 31,979.26-47,975.91-9,794.31

Finding the Fourth Proportional to 31,979.26, 47,975.91 and 9,794.31

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Solution

The fourth proportional to 31,979.26, 47,975.91 and 9,794.31 is: 14,693.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,979.26 : 47,975.91 = 9,794.31 : x
  2. Step 2: Convert to fraction form
    31,979.26/47,975.91 = 9,794.31/x
  3. Step 3: Cross multiply
    31,979.26x = 47,975.91 × 9,794.31
  4. Step 4: Simplify right side
    31,979.26x = 469,890,935.07
  5. Step 5: Solve for x
    x = 469,890,935.07/31,979.26
  6. Step 6: Final answer
    x = 14,693.62

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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.