Home / 29,074.97-40,128.70-17,137.61

Finding the Fourth Proportional to 29,074.97, 40,128.70 and 17,137.61

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Solution

The fourth proportional to 29,074.97, 40,128.70 and 17,137.61 is: 23,652.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,074.97 : 40,128.70 = 17,137.61 : x
  2. Step 2: Convert to fraction form
    29,074.97/40,128.70 = 17,137.61/x
  3. Step 3: Cross multiply
    29,074.97x = 40,128.70 × 17,137.61
  4. Step 4: Simplify right side
    29,074.97x = 687,709,924.72
  5. Step 5: Solve for x
    x = 687,709,924.72/29,074.97
  6. Step 6: Final answer
    x = 23,652.99

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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.