Home / 29,081.75-40,129.98-16,332.03

Finding the Fourth Proportional to 29,081.75, 40,129.98 and 16,332.03

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Solution

The fourth proportional to 29,081.75, 40,129.98 and 16,332.03 is: 22,536.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,081.75 : 40,129.98 = 16,332.03 : x
  2. Step 2: Convert to fraction form
    29,081.75/40,129.98 = 16,332.03/x
  3. Step 3: Cross multiply
    29,081.75x = 40,129.98 × 16,332.03
  4. Step 4: Simplify right side
    29,081.75x = 655,404,067.88
  5. Step 5: Solve for x
    x = 655,404,067.88/29,081.75
  6. Step 6: Final answer
    x = 22,536.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.