Home / 40,136.21-55,373.72-23,992.30

Finding the Fourth Proportional to 40,136.21, 55,373.72 and 23,992.30

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Solution

The fourth proportional to 40,136.21, 55,373.72 and 23,992.30 is: 33,100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,136.21 : 55,373.72 = 23,992.30 : x
  2. Step 2: Convert to fraction form
    40,136.21/55,373.72 = 23,992.30/x
  3. Step 3: Cross multiply
    40,136.21x = 55,373.72 × 23,992.30
  4. Step 4: Simplify right side
    40,136.21x = 1,328,542,643.96
  5. Step 5: Solve for x
    x = 1,328,542,643.96/40,136.21
  6. Step 6: Final answer
    x = 33,100.85

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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.