Home / 39,906.66-55,073.52-22,005.48

Finding the Fourth Proportional to 39,906.66, 55,073.52 and 22,005.48

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Solution

The fourth proportional to 39,906.66, 55,073.52 and 22,005.48 is: 30,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,906.66 : 55,073.52 = 22,005.48 : x
  2. Step 2: Convert to fraction form
    39,906.66/55,073.52 = 22,005.48/x
  3. Step 3: Cross multiply
    39,906.66x = 55,073.52 × 22,005.48
  4. Step 4: Simplify right side
    39,906.66x = 1,211,919,242.89
  5. Step 5: Solve for x
    x = 1,211,919,242.89/39,906.66
  6. Step 6: Final answer
    x = 30,368.85

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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.