Home / 48,396.66-72,599.58-18,816.78

Finding the Fourth Proportional to 48,396.66, 72,599.58 and 18,816.78

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Solution

The fourth proportional to 48,396.66, 72,599.58 and 18,816.78 is: 28,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,396.66 : 72,599.58 = 18,816.78 : x
  2. Step 2: Convert to fraction form
    48,396.66/72,599.58 = 18,816.78/x
  3. Step 3: Cross multiply
    48,396.66x = 72,599.58 × 18,816.78
  4. Step 4: Simplify right side
    48,396.66x = 1,366,090,324.95
  5. Step 5: Solve for x
    x = 1,366,090,324.95/48,396.66
  6. Step 6: Final answer
    x = 28,226.95

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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.