Home / 31,383.50-43,309.38-17,043.35

Finding the Fourth Proportional to 31,383.50, 43,309.38 and 17,043.35

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Solution

The fourth proportional to 31,383.50, 43,309.38 and 17,043.35 is: 23,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,383.50 : 43,309.38 = 17,043.35 : x
  2. Step 2: Convert to fraction form
    31,383.50/43,309.38 = 17,043.35/x
  3. Step 3: Cross multiply
    31,383.50x = 43,309.38 × 17,043.35
  4. Step 4: Simplify right side
    31,383.50x = 738,136,705.08
  5. Step 5: Solve for x
    x = 738,136,705.08/31,383.50
  6. Step 6: Final answer
    x = 23,519.90

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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.