Home / 31,305.98-43,202.41-16,965.86

Finding the Fourth Proportional to 31,305.98, 43,202.41 and 16,965.86

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Solution

The fourth proportional to 31,305.98, 43,202.41 and 16,965.86 is: 23,412.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,305.98 : 43,202.41 = 16,965.86 : x
  2. Step 2: Convert to fraction form
    31,305.98/43,202.41 = 16,965.86/x
  3. Step 3: Cross multiply
    31,305.98x = 43,202.41 × 16,965.86
  4. Step 4: Simplify right side
    31,305.98x = 732,965,781.30
  5. Step 5: Solve for x
    x = 732,965,781.30/31,305.98
  6. Step 6: Final answer
    x = 23,412.96

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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.