Home / 31,372.03-43,287.74-17,759.98

Finding the Fourth Proportional to 31,372.03, 43,287.74 and 17,759.98

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Solution

The fourth proportional to 31,372.03, 43,287.74 and 17,759.98 is: 24,505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372.03 : 43,287.74 = 17,759.98 : x
  2. Step 2: Convert to fraction form
    31,372.03/43,287.74 = 17,759.98/x
  3. Step 3: Cross multiply
    31,372.03x = 43,287.74 × 17,759.98
  4. Step 4: Simplify right side
    31,372.03x = 768,789,091.41
  5. Step 5: Solve for x
    x = 768,789,091.41/31,372.03
  6. Step 6: Final answer
    x = 24,505.56

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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.