Home / 39,857.40-54,993.96-23,080.68

Finding the Fourth Proportional to 39,857.40, 54,993.96 and 23,080.68

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Solution

The fourth proportional to 39,857.40, 54,993.96 and 23,080.68 is: 31,845.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,857.40 : 54,993.96 = 23,080.68 : x
  2. Step 2: Convert to fraction form
    39,857.40/54,993.96 = 23,080.68/x
  3. Step 3: Cross multiply
    39,857.40x = 54,993.96 × 23,080.68
  4. Step 4: Simplify right side
    39,857.40x = 1,269,297,992.69
  5. Step 5: Solve for x
    x = 1,269,297,992.69/39,857.40
  6. Step 6: Final answer
    x = 31,845.98

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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.