Home / 40,713.97-61,079.73-12,633.43

Finding the Fourth Proportional to 40,713.97, 61,079.73 and 12,633.43

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Solution

The fourth proportional to 40,713.97, 61,079.73 and 12,633.43 is: 18,952.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,713.97 : 61,079.73 = 12,633.43 : x
  2. Step 2: Convert to fraction form
    40,713.97/61,079.73 = 12,633.43/x
  3. Step 3: Cross multiply
    40,713.97x = 61,079.73 × 12,633.43
  4. Step 4: Simplify right side
    40,713.97x = 771,646,493.37
  5. Step 5: Solve for x
    x = 771,646,493.37/40,713.97
  6. Step 6: Final answer
    x = 18,952.87

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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.