Home / 37,143.44-51,258.60-20,376.56

Finding the Fourth Proportional to 37,143.44, 51,258.60 and 20,376.56

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Solution

The fourth proportional to 37,143.44, 51,258.60 and 20,376.56 is: 28,120.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,143.44 : 51,258.60 = 20,376.56 : x
  2. Step 2: Convert to fraction form
    37,143.44/51,258.60 = 20,376.56/x
  3. Step 3: Cross multiply
    37,143.44x = 51,258.60 × 20,376.56
  4. Step 4: Simplify right side
    37,143.44x = 1,044,473,938.42
  5. Step 5: Solve for x
    x = 1,044,473,938.42/37,143.44
  6. Step 6: Final answer
    x = 28,120.01

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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.