Home / 48,729.15-67,257.36-28,586.88

Finding the Fourth Proportional to 48,729.15, 67,257.36 and 28,586.88

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Solution

The fourth proportional to 48,729.15, 67,257.36 and 28,586.88 is: 39,456.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,729.15 : 67,257.36 = 28,586.88 : x
  2. Step 2: Convert to fraction form
    48,729.15/67,257.36 = 28,586.88/x
  3. Step 3: Cross multiply
    48,729.15x = 67,257.36 × 28,586.88
  4. Step 4: Simplify right side
    48,729.15x = 1,922,678,079.44
  5. Step 5: Solve for x
    x = 1,922,678,079.44/48,729.15
  6. Step 6: Final answer
    x = 39,456.43

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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.