Home / 40,732.41-61,108.16-12,651.03

Finding the Fourth Proportional to 40,732.41, 61,108.16 and 12,651.03

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Solution

The fourth proportional to 40,732.41, 61,108.16 and 12,651.03 is: 18,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,732.41 : 61,108.16 = 12,651.03 : x
  2. Step 2: Convert to fraction form
    40,732.41/61,108.16 = 12,651.03/x
  3. Step 3: Cross multiply
    40,732.41x = 61,108.16 × 12,651.03
  4. Step 4: Simplify right side
    40,732.41x = 773,081,102.15
  5. Step 5: Solve for x
    x = 773,081,102.15/40,732.41
  6. Step 6: Final answer
    x = 18,979.51

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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.