Home / 40,205.91-55,481.43-22,300.23

Finding the Fourth Proportional to 40,205.91, 55,481.43 and 22,300.23

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Solution

The fourth proportional to 40,205.91, 55,481.43 and 22,300.23 is: 30,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,205.91 : 55,481.43 = 22,300.23 : x
  2. Step 2: Convert to fraction form
    40,205.91/55,481.43 = 22,300.23/x
  3. Step 3: Cross multiply
    40,205.91x = 55,481.43 × 22,300.23
  4. Step 4: Simplify right side
    40,205.91x = 1,237,248,372.32
  5. Step 5: Solve for x
    x = 1,237,248,372.32/40,205.91
  6. Step 6: Final answer
    x = 30,772.80

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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.