Home / 40,136.72-55,393.32-23,369.68

Finding the Fourth Proportional to 40,136.72, 55,393.32 and 23,369.68

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Solution

The fourth proportional to 40,136.72, 55,393.32 and 23,369.68 is: 32,252.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,136.72 : 55,393.32 = 23,369.68 : x
  2. Step 2: Convert to fraction form
    40,136.72/55,393.32 = 23,369.68/x
  3. Step 3: Cross multiply
    40,136.72x = 55,393.32 × 23,369.68
  4. Step 4: Simplify right side
    40,136.72x = 1,294,524,162.54
  5. Step 5: Solve for x
    x = 1,294,524,162.54/40,136.72
  6. Step 6: Final answer
    x = 32,252.86

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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.