Home / 35,819.44-49,431.32-19,903.60

Finding the Fourth Proportional to 35,819.44, 49,431.32 and 19,903.60

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Solution

The fourth proportional to 35,819.44, 49,431.32 and 19,903.60 is: 27,467.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,819.44 : 49,431.32 = 19,903.60 : x
  2. Step 2: Convert to fraction form
    35,819.44/49,431.32 = 19,903.60/x
  3. Step 3: Cross multiply
    35,819.44x = 49,431.32 × 19,903.60
  4. Step 4: Simplify right side
    35,819.44x = 983,861,220.75
  5. Step 5: Solve for x
    x = 983,861,220.75/35,819.44
  6. Step 6: Final answer
    x = 27,467.24

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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.