Home / 29,129.15-40,194.96-16,382.06

Finding the Fourth Proportional to 29,129.15, 40,194.96 and 16,382.06

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Solution

The fourth proportional to 29,129.15, 40,194.96 and 16,382.06 is: 22,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,129.15 : 40,194.96 = 16,382.06 : x
  2. Step 2: Convert to fraction form
    29,129.15/40,194.96 = 16,382.06/x
  3. Step 3: Cross multiply
    29,129.15x = 40,194.96 × 16,382.06
  4. Step 4: Simplify right side
    29,129.15x = 658,476,067.77
  5. Step 5: Solve for x
    x = 658,476,067.77/29,129.15
  6. Step 6: Final answer
    x = 22,605.40

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1.5x scale

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.