Home / 48,721.20-67,249.62-28,582.44

Finding the Fourth Proportional to 48,721.20, 67,249.62 and 28,582.44

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Solution

The fourth proportional to 48,721.20, 67,249.62 and 28,582.44 is: 39,452.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,721.20 : 67,249.62 = 28,582.44 : x
  2. Step 2: Convert to fraction form
    48,721.20/67,249.62 = 28,582.44/x
  3. Step 3: Cross multiply
    48,721.20x = 67,249.62 × 28,582.44
  4. Step 4: Simplify right side
    48,721.20x = 1,922,158,228.67
  5. Step 5: Solve for x
    x = 1,922,158,228.67/48,721.20
  6. Step 6: Final answer
    x = 39,452.19

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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.