Home / 48,654.46-67,149.66-28,519.30

Finding the Fourth Proportional to 48,654.46, 67,149.66 and 28,519.30

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Solution

The fourth proportional to 48,654.46, 67,149.66 and 28,519.30 is: 39,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,654.46 : 67,149.66 = 28,519.30 : x
  2. Step 2: Convert to fraction form
    48,654.46/67,149.66 = 28,519.30/x
  3. Step 3: Cross multiply
    48,654.46x = 67,149.66 × 28,519.30
  4. Step 4: Simplify right side
    48,654.46x = 1,915,061,298.44
  5. Step 5: Solve for x
    x = 1,915,061,298.44/48,654.46
  6. Step 6: Final answer
    x = 39,360.45

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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.