Home / 39,906.24-55,070.98-22,001.88

Finding the Fourth Proportional to 39,906.24, 55,070.98 and 22,001.88

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Solution

The fourth proportional to 39,906.24, 55,070.98 and 22,001.88 is: 30,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,906.24 : 55,070.98 = 22,001.88 : x
  2. Step 2: Convert to fraction form
    39,906.24/55,070.98 = 22,001.88/x
  3. Step 3: Cross multiply
    39,906.24x = 55,070.98 × 22,001.88
  4. Step 4: Simplify right side
    39,906.24x = 1,211,665,093.44
  5. Step 5: Solve for x
    x = 1,211,665,093.44/39,906.24
  6. Step 6: Final answer
    x = 30,362.80

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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.