Home / 31,735.80-43,800.07-18,304.43

Finding the Fourth Proportional to 31,735.80, 43,800.07 and 18,304.43

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Solution

The fourth proportional to 31,735.80, 43,800.07 and 18,304.43 is: 25,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,735.80 : 43,800.07 = 18,304.43 : x
  2. Step 2: Convert to fraction form
    31,735.80/43,800.07 = 18,304.43/x
  3. Step 3: Cross multiply
    31,735.80x = 43,800.07 × 18,304.43
  4. Step 4: Simplify right side
    31,735.80x = 801,735,279.76
  5. Step 5: Solve for x
    x = 801,735,279.76/31,735.80
  6. Step 6: Final answer
    x = 25,262.80

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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.