Home / 40,455.22-55,829.94-22,550.22

Finding the Fourth Proportional to 40,455.22, 55,829.94 and 22,550.22

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Solution

The fourth proportional to 40,455.22, 55,829.94 and 22,550.22 is: 31,120.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,455.22 : 55,829.94 = 22,550.22 : x
  2. Step 2: Convert to fraction form
    40,455.22/55,829.94 = 22,550.22/x
  3. Step 3: Cross multiply
    40,455.22x = 55,829.94 × 22,550.22
  4. Step 4: Simplify right side
    40,455.22x = 1,258,977,429.59
  5. Step 5: Solve for x
    x = 1,258,977,429.59/40,455.22
  6. Step 6: Final answer
    x = 31,120.27

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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.