Home / 37,900.74-52,302.30-20,906.54

Finding the Fourth Proportional to 37,900.74, 52,302.30 and 20,906.54

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Solution

The fourth proportional to 37,900.74, 52,302.30 and 20,906.54 is: 28,850.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,900.74 : 52,302.30 = 20,906.54 : x
  2. Step 2: Convert to fraction form
    37,900.74/52,302.30 = 20,906.54/x
  3. Step 3: Cross multiply
    37,900.74x = 52,302.30 × 20,906.54
  4. Step 4: Simplify right side
    37,900.74x = 1,093,459,865.53
  5. Step 5: Solve for x
    x = 1,093,459,865.53/37,900.74
  6. Step 6: Final answer
    x = 28,850.62

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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.