Home / 40,227.77-55,511.65-22,321.64

Finding the Fourth Proportional to 40,227.77, 55,511.65 and 22,321.64

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Solution

The fourth proportional to 40,227.77, 55,511.65 and 22,321.64 is: 30,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,227.77 : 55,511.65 = 22,321.64 : x
  2. Step 2: Convert to fraction form
    40,227.77/55,511.65 = 22,321.64/x
  3. Step 3: Cross multiply
    40,227.77x = 55,511.65 × 22,321.64
  4. Step 4: Simplify right side
    40,227.77x = 1,239,111,067.11
  5. Step 5: Solve for x
    x = 1,239,111,067.11/40,227.77
  6. Step 6: Final answer
    x = 30,802.38

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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.