Home / 37,729.28-52,063.31-20,732.64

Finding the Fourth Proportional to 37,729.28, 52,063.31 and 20,732.64

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Solution

The fourth proportional to 37,729.28, 52,063.31 and 20,732.64 is: 28,609.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,729.28 : 52,063.31 = 20,732.64 : x
  2. Step 2: Convert to fraction form
    37,729.28/52,063.31 = 20,732.64/x
  3. Step 3: Cross multiply
    37,729.28x = 52,063.31 × 20,732.64
  4. Step 4: Simplify right side
    37,729.28x = 1,079,409,759.78
  5. Step 5: Solve for x
    x = 1,079,409,759.78/37,729.28
  6. Step 6: Final answer
    x = 28,609.34

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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.