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Finding the Fourth Proportional to 37,668.63, 51,982.71 and 20,901.63

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Solution

The fourth proportional to 37,668.63, 51,982.71 and 20,901.63 is: 28,844.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,668.63 : 51,982.71 = 20,901.63 : x
  2. Step 2: Convert to fraction form
    37,668.63/51,982.71 = 20,901.63/x
  3. Step 3: Cross multiply
    37,668.63x = 51,982.71 × 20,901.63
  4. Step 4: Simplify right side
    37,668.63x = 1,086,523,370.82
  5. Step 5: Solve for x
    x = 1,086,523,370.82/37,668.63
  6. Step 6: Final answer
    x = 28,844.25

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1.5x scale

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.