Home / 48,728.32-67,245.58-28,585.54

Finding the Fourth Proportional to 48,728.32, 67,245.58 and 28,585.54

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Solution

The fourth proportional to 48,728.32, 67,245.58 and 28,585.54 is: 39,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,728.32 : 67,245.58 = 28,585.54 : x
  2. Step 2: Convert to fraction form
    48,728.32/67,245.58 = 28,585.54/x
  3. Step 3: Cross multiply
    48,728.32x = 67,245.58 × 28,585.54
  4. Step 4: Simplify right side
    48,728.32x = 1,922,251,175.91
  5. Step 5: Solve for x
    x = 1,922,251,175.91/48,728.32
  6. Step 6: Final answer
    x = 39,448.34

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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.