Home / 46,629.97-69,930.37-20,308.21

Finding the Fourth Proportional to 46,629.97, 69,930.37 and 20,308.21

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Solution

The fourth proportional to 46,629.97, 69,930.37 and 20,308.21 is: 30,455.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,629.97 : 69,930.37 = 20,308.21 : x
  2. Step 2: Convert to fraction form
    46,629.97/69,930.37 = 20,308.21/x
  3. Step 3: Cross multiply
    46,629.97x = 69,930.37 × 20,308.21
  4. Step 4: Simplify right side
    46,629.97x = 1,420,160,489.90
  5. Step 5: Solve for x
    x = 1,420,160,489.90/46,629.97
  6. Step 6: Final answer
    x = 30,455.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.