Home / 31,817.96-43,908.87-17,670.80

Finding the Fourth Proportional to 31,817.96, 43,908.87 and 17,670.80

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Solution

The fourth proportional to 31,817.96, 43,908.87 and 17,670.80 is: 24,385.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,817.96 : 43,908.87 = 17,670.80 : x
  2. Step 2: Convert to fraction form
    31,817.96/43,908.87 = 17,670.80/x
  3. Step 3: Cross multiply
    31,817.96x = 43,908.87 × 17,670.80
  4. Step 4: Simplify right side
    31,817.96x = 775,904,640.45
  5. Step 5: Solve for x
    x = 775,904,640.45/31,817.96
  6. Step 6: Final answer
    x = 24,385.75

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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.