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Finding the Fourth Proportional to 53,864.73, 80,834.02 and 18,804.39

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Solution

The fourth proportional to 53,864.73, 80,834.02 and 18,804.39 is: 28,219.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,864.73 : 80,834.02 = 18,804.39 : x
  2. Step 2: Convert to fraction form
    53,864.73/80,834.02 = 18,804.39/x
  3. Step 3: Cross multiply
    53,864.73x = 80,834.02 × 18,804.39
  4. Step 4: Simplify right side
    53,864.73x = 1,520,034,087.21
  5. Step 5: Solve for x
    x = 1,520,034,087.21/53,864.73
  6. Step 6: Final answer
    x = 28,219.47

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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.