Home / 48,376.30-72,550.62-18,787.80

Finding the Fourth Proportional to 48,376.30, 72,550.62 and 18,787.80

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Solution

The fourth proportional to 48,376.30, 72,550.62 and 18,787.80 is: 28,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,376.30 : 72,550.62 = 18,787.80 : x
  2. Step 2: Convert to fraction form
    48,376.30/72,550.62 = 18,787.80/x
  3. Step 3: Cross multiply
    48,376.30x = 72,550.62 × 18,787.80
  4. Step 4: Simplify right side
    48,376.30x = 1,363,066,538.44
  5. Step 5: Solve for x
    x = 1,363,066,538.44/48,376.30
  6. Step 6: Final answer
    x = 28,176.33

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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.