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Finding the Fourth Proportional to 37,397, 51,608.84 and 20,401.52

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Solution

The fourth proportional to 37,397, 51,608.84 and 20,401.52 is: 28,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,397 : 51,608.84 = 20,401.52 : x
  2. Step 2: Convert to fraction form
    37,397/51,608.84 = 20,401.52/x
  3. Step 3: Cross multiply
    37,397x = 51,608.84 × 20,401.52
  4. Step 4: Simplify right side
    37,397x = 1,052,898,679.43
  5. Step 5: Solve for x
    x = 1,052,898,679.43/37,397
  6. Step 6: Final answer
    x = 28,154.63

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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.