Home / 31,814.88-43,905.60-17,668.32

Finding the Fourth Proportional to 31,814.88, 43,905.60 and 17,668.32

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Solution

The fourth proportional to 31,814.88, 43,905.60 and 17,668.32 is: 24,382.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,814.88 : 43,905.60 = 17,668.32 : x
  2. Step 2: Convert to fraction form
    31,814.88/43,905.60 = 17,668.32/x
  3. Step 3: Cross multiply
    31,814.88x = 43,905.60 × 17,668.32
  4. Step 4: Simplify right side
    31,814.88x = 775,738,190.59
  5. Step 5: Solve for x
    x = 775,738,190.59/31,814.88
  6. Step 6: Final answer
    x = 24,382.87

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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.