Home / 39,910.41-55,076.73-22,006.05

Finding the Fourth Proportional to 39,910.41, 55,076.73 and 22,006.05

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Solution

The fourth proportional to 39,910.41, 55,076.73 and 22,006.05 is: 30,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,910.41 : 55,076.73 = 22,006.05 : x
  2. Step 2: Convert to fraction form
    39,910.41/55,076.73 = 22,006.05/x
  3. Step 3: Cross multiply
    39,910.41x = 55,076.73 × 22,006.05
  4. Step 4: Simplify right side
    39,910.41x = 1,212,021,274.22
  5. Step 5: Solve for x
    x = 1,212,021,274.22/39,910.41
  6. Step 6: Final answer
    x = 30,368.55

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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.