Home / 31,979.88-44,129.61-18,546.84

Finding the Fourth Proportional to 31,979.88, 44,129.61 and 18,546.84

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Solution

The fourth proportional to 31,979.88, 44,129.61 and 18,546.84 is: 25,593.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,979.88 : 44,129.61 = 18,546.84 : x
  2. Step 2: Convert to fraction form
    31,979.88/44,129.61 = 18,546.84/x
  3. Step 3: Cross multiply
    31,979.88x = 44,129.61 × 18,546.84
  4. Step 4: Simplify right side
    31,979.88x = 818,464,815.93
  5. Step 5: Solve for x
    x = 818,464,815.93/31,979.88
  6. Step 6: Final answer
    x = 25,593.12

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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.