Home / 40,745.60-56,224.64-22,842.88

Finding the Fourth Proportional to 40,745.60, 56,224.64 and 22,842.88

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Solution

The fourth proportional to 40,745.60, 56,224.64 and 22,842.88 is: 31,520.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,745.60 : 56,224.64 = 22,842.88 : x
  2. Step 2: Convert to fraction form
    40,745.60/56,224.64 = 22,842.88/x
  3. Step 3: Cross multiply
    40,745.60x = 56,224.64 × 22,842.88
  4. Step 4: Simplify right side
    40,745.60x = 1,284,332,704.56
  5. Step 5: Solve for x
    x = 1,284,332,704.56/40,745.60
  6. Step 6: Final answer
    x = 31,520.77

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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.