Home / 39,910.04-55,076.26-22,005.68

Finding the Fourth Proportional to 39,910.04, 55,076.26 and 22,005.68

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Solution

The fourth proportional to 39,910.04, 55,076.26 and 22,005.68 is: 30,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,910.04 : 55,076.26 = 22,005.68 : x
  2. Step 2: Convert to fraction form
    39,910.04/55,076.26 = 22,005.68/x
  3. Step 3: Cross multiply
    39,910.04x = 55,076.26 × 22,005.68
  4. Step 4: Simplify right side
    39,910.04x = 1,211,990,553.16
  5. Step 5: Solve for x
    x = 1,211,990,553.16/39,910.04
  6. Step 6: Final answer
    x = 30,368.06

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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.