Home / 39,910.06-55,076.32-22,005.72

Finding the Fourth Proportional to 39,910.06, 55,076.32 and 22,005.72

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Solution

The fourth proportional to 39,910.06, 55,076.32 and 22,005.72 is: 30,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,910.06 : 55,076.32 = 22,005.72 : x
  2. Step 2: Convert to fraction form
    39,910.06/55,076.32 = 22,005.72/x
  3. Step 3: Cross multiply
    39,910.06x = 55,076.32 × 22,005.72
  4. Step 4: Simplify right side
    39,910.06x = 1,211,994,076.55
  5. Step 5: Solve for x
    x = 1,211,994,076.55/39,910.06
  6. Step 6: Final answer
    x = 30,368.13

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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.