Home / 48,521.77-72,739.37-18,932.73

Finding the Fourth Proportional to 48,521.77, 72,739.37 and 18,932.73

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Solution

The fourth proportional to 48,521.77, 72,739.37 and 18,932.73 is: 28,382.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,521.77 : 72,739.37 = 18,932.73 : x
  2. Step 2: Convert to fraction form
    48,521.77/72,739.37 = 18,932.73/x
  3. Step 3: Cross multiply
    48,521.77x = 72,739.37 × 18,932.73
  4. Step 4: Simplify right side
    48,521.77x = 1,377,154,852.58
  5. Step 5: Solve for x
    x = 1,377,154,852.58/48,521.77
  6. Step 6: Final answer
    x = 28,382.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.