Home / 35,371.75-48,819.95-20,274.53

Finding the Fourth Proportional to 35,371.75, 48,819.95 and 20,274.53

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Solution

The fourth proportional to 35,371.75, 48,819.95 and 20,274.53 is: 27,982.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,371.75 : 48,819.95 = 20,274.53 : x
  2. Step 2: Convert to fraction form
    35,371.75/48,819.95 = 20,274.53/x
  3. Step 3: Cross multiply
    35,371.75x = 48,819.95 × 20,274.53
  4. Step 4: Simplify right side
    35,371.75x = 989,801,540.87
  5. Step 5: Solve for x
    x = 989,801,540.87/35,371.75
  6. Step 6: Final answer
    x = 27,982.83

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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.