Home / 37,824.40-56,736.60-20,911.60

Finding the Fourth Proportional to 37,824.40, 56,736.60 and 20,911.60

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Solution

The fourth proportional to 37,824.40, 56,736.60 and 20,911.60 is: 31,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,824.40 : 56,736.60 = 20,911.60 : x
  2. Step 2: Convert to fraction form
    37,824.40/56,736.60 = 20,911.60/x
  3. Step 3: Cross multiply
    37,824.40x = 56,736.60 × 20,911.60
  4. Step 4: Simplify right side
    37,824.40x = 1,186,453,084.56
  5. Step 5: Solve for x
    x = 1,186,453,084.56/37,824.40
  6. Step 6: Final answer
    x = 31,367.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.