Home / 71,629.00-98,847.30-39,797.21

Finding the Fourth Proportional to 71,629.00, 98,847.30 and 39,797.21

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Solution

The fourth proportional to 71,629.00, 98,847.30 and 39,797.21 is: 54,919.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,629.00 : 98,847.30 = 39,797.21 : x
  2. Step 2: Convert to fraction form
    71,629.00/98,847.30 = 39,797.21/x
  3. Step 3: Cross multiply
    71,629.00x = 98,847.30 × 39,797.21
  4. Step 4: Simplify right side
    71,629.00x = 3,933,847,152.39
  5. Step 5: Solve for x
    x = 3,933,847,152.39/71,629.00
  6. Step 6: Final answer
    x = 54,919.76

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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.