Home / 31,382.60-43,308.26-17,235.54

Finding the Fourth Proportional to 31,382.60, 43,308.26 and 17,235.54

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Solution

The fourth proportional to 31,382.60, 43,308.26 and 17,235.54 is: 23,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,382.60 : 43,308.26 = 17,235.54 : x
  2. Step 2: Convert to fraction form
    31,382.60/43,308.26 = 17,235.54/x
  3. Step 3: Cross multiply
    31,382.60x = 43,308.26 × 17,235.54
  4. Step 4: Simplify right side
    31,382.60x = 746,441,247.56
  5. Step 5: Solve for x
    x = 746,441,247.56/31,382.60
  6. Step 6: Final answer
    x = 23,785.19

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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.