Home / 35,819.72-49,431.26-19,903.80

Finding the Fourth Proportional to 35,819.72, 49,431.26 and 19,903.80

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Solution

The fourth proportional to 35,819.72, 49,431.26 and 19,903.80 is: 27,467.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,819.72 : 49,431.26 = 19,903.80 : x
  2. Step 2: Convert to fraction form
    35,819.72/49,431.26 = 19,903.80/x
  3. Step 3: Cross multiply
    35,819.72x = 49,431.26 × 19,903.80
  4. Step 4: Simplify right side
    35,819.72x = 983,869,912.79
  5. Step 5: Solve for x
    x = 983,869,912.79/35,819.72
  6. Step 6: Final answer
    x = 27,467.27

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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.