Home / 39,942.96-55,121.04-22,037.88

Finding the Fourth Proportional to 39,942.96, 55,121.04 and 22,037.88

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Solution

The fourth proportional to 39,942.96, 55,121.04 and 22,037.88 is: 30,412.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,942.96 : 55,121.04 = 22,037.88 : x
  2. Step 2: Convert to fraction form
    39,942.96/55,121.04 = 22,037.88/x
  3. Step 3: Cross multiply
    39,942.96x = 55,121.04 × 22,037.88
  4. Step 4: Simplify right side
    39,942.96x = 1,214,750,865.00
  5. Step 5: Solve for x
    x = 1,214,750,865.00/39,942.96
  6. Step 6: Final answer
    x = 30,412.14

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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.