Home / 37,825.40-56,738.10-20,912.60

Finding the Fourth Proportional to 37,825.40, 56,738.10 and 20,912.60

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Solution

The fourth proportional to 37,825.40, 56,738.10 and 20,912.60 is: 31,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,825.40 : 56,738.10 = 20,912.60 : x
  2. Step 2: Convert to fraction form
    37,825.40/56,738.10 = 20,912.60/x
  3. Step 3: Cross multiply
    37,825.40x = 56,738.10 × 20,912.60
  4. Step 4: Simplify right side
    37,825.40x = 1,186,541,190.06
  5. Step 5: Solve for x
    x = 1,186,541,190.06/37,825.40
  6. Step 6: Final answer
    x = 31,368.90

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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.