Home / 48,376.28-72,550.68-18,787.80

Finding the Fourth Proportional to 48,376.28, 72,550.68 and 18,787.80

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Solution

The fourth proportional to 48,376.28, 72,550.68 and 18,787.80 is: 28,176.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,376.28 : 72,550.68 = 18,787.80 : x
  2. Step 2: Convert to fraction form
    48,376.28/72,550.68 = 18,787.80/x
  3. Step 3: Cross multiply
    48,376.28x = 72,550.68 × 18,787.80
  4. Step 4: Simplify right side
    48,376.28x = 1,363,067,665.70
  5. Step 5: Solve for x
    x = 1,363,067,665.70/48,376.28
  6. Step 6: Final answer
    x = 28,176.36

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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.