Home / 37,664.45-51,976.80-20,668.98

Finding the Fourth Proportional to 37,664.45, 51,976.80 and 20,668.98

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Solution

The fourth proportional to 37,664.45, 51,976.80 and 20,668.98 is: 28,523.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,664.45 : 51,976.80 = 20,668.98 : x
  2. Step 2: Convert to fraction form
    37,664.45/51,976.80 = 20,668.98/x
  3. Step 3: Cross multiply
    37,664.45x = 51,976.80 × 20,668.98
  4. Step 4: Simplify right side
    37,664.45x = 1,074,307,439.66
  5. Step 5: Solve for x
    x = 1,074,307,439.66/37,664.45
  6. Step 6: Final answer
    x = 28,523.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.