Home / 48,815.11-73,194.64-19,216.80

Finding the Fourth Proportional to 48,815.11, 73,194.64 and 19,216.80

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Solution

The fourth proportional to 48,815.11, 73,194.64 and 19,216.80 is: 28,814.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,815.11 : 73,194.64 = 19,216.80 : x
  2. Step 2: Convert to fraction form
    48,815.11/73,194.64 = 19,216.80/x
  3. Step 3: Cross multiply
    48,815.11x = 73,194.64 × 19,216.80
  4. Step 4: Simplify right side
    48,815.11x = 1,406,566,781.97
  5. Step 5: Solve for x
    x = 1,406,566,781.97/48,815.11
  6. Step 6: Final answer
    x = 28,814.17

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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.