Home / 40,135.46-55,372.68-23,991.55

Finding the Fourth Proportional to 40,135.46, 55,372.68 and 23,991.55

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Solution

The fourth proportional to 40,135.46, 55,372.68 and 23,991.55 is: 33,099.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,135.46 : 55,372.68 = 23,991.55 : x
  2. Step 2: Convert to fraction form
    40,135.46/55,372.68 = 23,991.55/x
  3. Step 3: Cross multiply
    40,135.46x = 55,372.68 × 23,991.55
  4. Step 4: Simplify right side
    40,135.46x = 1,328,476,282.42
  5. Step 5: Solve for x
    x = 1,328,476,282.42/40,135.46
  6. Step 6: Final answer
    x = 33,099.82

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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.