Home / 40,212.64-55,474.14-29,440.54

Finding the Fourth Proportional to 40,212.64, 55,474.14 and 29,440.54

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Solution

The fourth proportional to 40,212.64, 55,474.14 and 29,440.54 is: 40,613.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,212.64 : 55,474.14 = 29,440.54 : x
  2. Step 2: Convert to fraction form
    40,212.64/55,474.14 = 29,440.54/x
  3. Step 3: Cross multiply
    40,212.64x = 55,474.14 × 29,440.54
  4. Step 4: Simplify right side
    40,212.64x = 1,633,188,637.64
  5. Step 5: Solve for x
    x = 1,633,188,637.64/40,212.64
  6. Step 6: Final answer
    x = 40,613.81

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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.