Home / 31,755.44-43,816.20-19,180.88

Finding the Fourth Proportional to 31,755.44, 43,816.20 and 19,180.88

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Solution

The fourth proportional to 31,755.44, 43,816.20 and 19,180.88 is: 26,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,755.44 : 43,816.20 = 19,180.88 : x
  2. Step 2: Convert to fraction form
    31,755.44/43,816.20 = 19,180.88/x
  3. Step 3: Cross multiply
    31,755.44x = 43,816.20 × 19,180.88
  4. Step 4: Simplify right side
    31,755.44x = 840,433,274.26
  5. Step 5: Solve for x
    x = 840,433,274.26/31,755.44
  6. Step 6: Final answer
    x = 26,465.80

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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.