Home / 40,425.53-55,788.97-22,520.55

Finding the Fourth Proportional to 40,425.53, 55,788.97 and 22,520.55

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Solution

The fourth proportional to 40,425.53, 55,788.97 and 22,520.55 is: 31,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,425.53 : 55,788.97 = 22,520.55 : x
  2. Step 2: Convert to fraction form
    40,425.53/55,788.97 = 22,520.55/x
  3. Step 3: Cross multiply
    40,425.53x = 55,788.97 × 22,520.55
  4. Step 4: Simplify right side
    40,425.53x = 1,256,398,232.03
  5. Step 5: Solve for x
    x = 1,256,398,232.03/40,425.53
  6. Step 6: Final answer
    x = 31,079.32

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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.