Home / 31,739.00-43,795.77-18,310.28

Finding the Fourth Proportional to 31,739.00, 43,795.77 and 18,310.28

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Solution

The fourth proportional to 31,739.00, 43,795.77 and 18,310.28 is: 25,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,739.00 : 43,795.77 = 18,310.28 : x
  2. Step 2: Convert to fraction form
    31,739.00/43,795.77 = 18,310.28/x
  3. Step 3: Cross multiply
    31,739.00x = 43,795.77 × 18,310.28
  4. Step 4: Simplify right side
    31,739.00x = 801,912,592.54
  5. Step 5: Solve for x
    x = 801,912,592.54/31,739.00
  6. Step 6: Final answer
    x = 25,265.85

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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.