Home / 57,536.82-79,425.36-38,684.88

Finding the Fourth Proportional to 57,536.82, 79,425.36 and 38,684.88

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Solution

The fourth proportional to 57,536.82, 79,425.36 and 38,684.88 is: 53,401.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,536.82 : 79,425.36 = 38,684.88 : x
  2. Step 2: Convert to fraction form
    57,536.82/79,425.36 = 38,684.88/x
  3. Step 3: Cross multiply
    57,536.82x = 79,425.36 × 38,684.88
  4. Step 4: Simplify right side
    57,536.82x = 3,072,560,520.56
  5. Step 5: Solve for x
    x = 3,072,560,520.56/57,536.82
  6. Step 6: Final answer
    x = 53,401.64

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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.