Home / 40,129.58-55,351.32-27,532.46

Finding the Fourth Proportional to 40,129.58, 55,351.32 and 27,532.46

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Solution

The fourth proportional to 40,129.58, 55,351.32 and 27,532.46 is: 37,975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,129.58 : 55,351.32 = 27,532.46 : x
  2. Step 2: Convert to fraction form
    40,129.58/55,351.32 = 27,532.46/x
  3. Step 3: Cross multiply
    40,129.58x = 55,351.32 × 27,532.46
  4. Step 4: Simplify right side
    40,129.58x = 1,523,958,003.85
  5. Step 5: Solve for x
    x = 1,523,958,003.85/40,129.58
  6. Step 6: Final answer
    x = 37,975.93

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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.