Home / 40,425.06-55,786.67-22,520.71

Finding the Fourth Proportional to 40,425.06, 55,786.67 and 22,520.71

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Solution

The fourth proportional to 40,425.06, 55,786.67 and 22,520.71 is: 31,078.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,425.06 : 55,786.67 = 22,520.71 : x
  2. Step 2: Convert to fraction form
    40,425.06/55,786.67 = 22,520.71/x
  3. Step 3: Cross multiply
    40,425.06x = 55,786.67 × 22,520.71
  4. Step 4: Simplify right side
    40,425.06x = 1,256,355,285.78
  5. Step 5: Solve for x
    x = 1,256,355,285.78/40,425.06
  6. Step 6: Final answer
    x = 31,078.62

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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.