Home / 39,910.20-55,076.46-22,005.84

Finding the Fourth Proportional to 39,910.20, 55,076.46 and 22,005.84

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Solution

The fourth proportional to 39,910.20, 55,076.46 and 22,005.84 is: 30,368.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,910.20 : 55,076.46 = 22,005.84 : x
  2. Step 2: Convert to fraction form
    39,910.20/55,076.46 = 22,005.84/x
  3. Step 3: Cross multiply
    39,910.20x = 55,076.46 × 22,005.84
  4. Step 4: Simplify right side
    39,910.20x = 1,212,003,766.53
  5. Step 5: Solve for x
    x = 1,212,003,766.53/39,910.20
  6. Step 6: Final answer
    x = 30,368.27

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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.