Home / 45,635.78-62,957.58-28,628.48

Finding the Fourth Proportional to 45,635.78, 62,957.58 and 28,628.48

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Solution

The fourth proportional to 45,635.78, 62,957.58 and 28,628.48 is: 39,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,635.78 : 62,957.58 = 28,628.48 : x
  2. Step 2: Convert to fraction form
    45,635.78/62,957.58 = 28,628.48/x
  3. Step 3: Cross multiply
    45,635.78x = 62,957.58 × 28,628.48
  4. Step 4: Simplify right side
    45,635.78x = 1,802,379,819.88
  5. Step 5: Solve for x
    x = 1,802,379,819.88/45,635.78
  6. Step 6: Final answer
    x = 39,494.88

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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.