Home / 39,873.22-55,027.53-21,968.23

Finding the Fourth Proportional to 39,873.22, 55,027.53 and 21,968.23

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Solution

The fourth proportional to 39,873.22, 55,027.53 and 21,968.23 is: 30,317.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,873.22 : 55,027.53 = 21,968.23 : x
  2. Step 2: Convert to fraction form
    39,873.22/55,027.53 = 21,968.23/x
  3. Step 3: Cross multiply
    39,873.22x = 55,027.53 × 21,968.23
  4. Step 4: Simplify right side
    39,873.22x = 1,208,857,297.80
  5. Step 5: Solve for x
    x = 1,208,857,297.80/39,873.22
  6. Step 6: Final answer
    x = 30,317.53

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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.