Home / 40,732.54-61,108.37-12,651.14

Finding the Fourth Proportional to 40,732.54, 61,108.37 and 12,651.14

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Solution

The fourth proportional to 40,732.54, 61,108.37 and 12,651.14 is: 18,979.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,732.54 : 61,108.37 = 12,651.14 : x
  2. Step 2: Convert to fraction form
    40,732.54/61,108.37 = 12,651.14/x
  3. Step 3: Cross multiply
    40,732.54x = 61,108.37 × 12,651.14
  4. Step 4: Simplify right side
    40,732.54x = 773,090,544.04
  5. Step 5: Solve for x
    x = 773,090,544.04/40,732.54
  6. Step 6: Final answer
    x = 18,979.68

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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.