Home / 31,383.88-43,310.65-17,237.64

Finding the Fourth Proportional to 31,383.88, 43,310.65 and 17,237.64

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Solution

The fourth proportional to 31,383.88, 43,310.65 and 17,237.64 is: 23,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,383.88 : 43,310.65 = 17,237.64 : x
  2. Step 2: Convert to fraction form
    31,383.88/43,310.65 = 17,237.64/x
  3. Step 3: Cross multiply
    31,383.88x = 43,310.65 × 17,237.64
  4. Step 4: Simplify right side
    31,383.88x = 746,573,392.87
  5. Step 5: Solve for x
    x = 746,573,392.87/31,383.88
  6. Step 6: Final answer
    x = 23,788.44

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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.