Home / 37,638.72-51,941.97-20,644.59

Finding the Fourth Proportional to 37,638.72, 51,941.97 and 20,644.59

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Solution

The fourth proportional to 37,638.72, 51,941.97 and 20,644.59 is: 28,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,638.72 : 51,941.97 = 20,644.59 : x
  2. Step 2: Convert to fraction form
    37,638.72/51,941.97 = 20,644.59/x
  3. Step 3: Cross multiply
    37,638.72x = 51,941.97 × 20,644.59
  4. Step 4: Simplify right side
    37,638.72x = 1,072,320,674.44
  5. Step 5: Solve for x
    x = 1,072,320,674.44/37,638.72
  6. Step 6: Final answer
    x = 28,489.83

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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.