Home / 48,380.57-72,552.20-18,794.51

Finding the Fourth Proportional to 48,380.57, 72,552.20 and 18,794.51

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Solution

The fourth proportional to 48,380.57, 72,552.20 and 18,794.51 is: 28,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,380.57 : 72,552.20 = 18,794.51 : x
  2. Step 2: Convert to fraction form
    48,380.57/72,552.20 = 18,794.51/x
  3. Step 3: Cross multiply
    48,380.57x = 72,552.20 × 18,794.51
  4. Step 4: Simplify right side
    48,380.57x = 1,363,582,685.66
  5. Step 5: Solve for x
    x = 1,363,582,685.66/48,380.57
  6. Step 6: Final answer
    x = 28,184.51

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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.