Home / 37,021.28-51,092.88-20,256.80

Finding the Fourth Proportional to 37,021.28, 51,092.88 and 20,256.80

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Solution

The fourth proportional to 37,021.28, 51,092.88 and 20,256.80 is: 27,956.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,021.28 : 51,092.88 = 20,256.80 : x
  2. Step 2: Convert to fraction form
    37,021.28/51,092.88 = 20,256.80/x
  3. Step 3: Cross multiply
    37,021.28x = 51,092.88 × 20,256.80
  4. Step 4: Simplify right side
    37,021.28x = 1,034,978,251.58
  5. Step 5: Solve for x
    x = 1,034,978,251.58/37,021.28
  6. Step 6: Final answer
    x = 27,956.31

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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.