Home / 45,245.20-62,446.68-28,257.04

Finding the Fourth Proportional to 45,245.20, 62,446.68 and 28,257.04

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Solution

The fourth proportional to 45,245.20, 62,446.68 and 28,257.04 is: 38,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,245.20 : 62,446.68 = 28,257.04 : x
  2. Step 2: Convert to fraction form
    45,245.20/62,446.68 = 28,257.04/x
  3. Step 3: Cross multiply
    45,245.20x = 62,446.68 × 28,257.04
  4. Step 4: Simplify right side
    45,245.20x = 1,764,558,334.63
  5. Step 5: Solve for x
    x = 1,764,558,334.63/45,245.20
  6. Step 6: Final answer
    x = 38,999.90

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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.