Home / 31,497.69-47,231.14-13,743.35

Finding the Fourth Proportional to 31,497.69, 47,231.14 and 13,743.35

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Solution

The fourth proportional to 31,497.69, 47,231.14 and 13,743.35 is: 20,608.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,497.69 : 47,231.14 = 13,743.35 : x
  2. Step 2: Convert to fraction form
    31,497.69/47,231.14 = 13,743.35/x
  3. Step 3: Cross multiply
    31,497.69x = 47,231.14 × 13,743.35
  4. Step 4: Simplify right side
    31,497.69x = 649,114,171.64
  5. Step 5: Solve for x
    x = 649,114,171.64/31,497.69
  6. Step 6: Final answer
    x = 20,608.31

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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.