Home / 31,743.45-47,618.42-10,964.25

Finding the Fourth Proportional to 31,743.45, 47,618.42 and 10,964.25

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Solution

The fourth proportional to 31,743.45, 47,618.42 and 10,964.25 is: 16,447.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,743.45 : 47,618.42 = 10,964.25 : x
  2. Step 2: Convert to fraction form
    31,743.45/47,618.42 = 10,964.25/x
  3. Step 3: Cross multiply
    31,743.45x = 47,618.42 × 10,964.25
  4. Step 4: Simplify right side
    31,743.45x = 522,100,206.66
  5. Step 5: Solve for x
    x = 522,100,206.66/31,743.45
  6. Step 6: Final answer
    x = 16,447.49

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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.