Home / 31,716.50-43,826.51-30,179.22

Finding the Fourth Proportional to 31,716.50, 43,826.51 and 30,179.22

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Solution

The fourth proportional to 31,716.50, 43,826.51 and 30,179.22 is: 41,702.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,716.50 : 43,826.51 = 30,179.22 : x
  2. Step 2: Convert to fraction form
    31,716.50/43,826.51 = 30,179.22/x
  3. Step 3: Cross multiply
    31,716.50x = 43,826.51 × 30,179.22
  4. Step 4: Simplify right side
    31,716.50x = 1,322,649,736.23
  5. Step 5: Solve for x
    x = 1,322,649,736.23/31,716.50
  6. Step 6: Final answer
    x = 41,702.26

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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.