Home / 31,179.62-43,027.87-16,839.45

Finding the Fourth Proportional to 31,179.62, 43,027.87 and 16,839.45

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Solution

The fourth proportional to 31,179.62, 43,027.87 and 16,839.45 is: 23,238.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,179.62 : 43,027.87 = 16,839.45 : x
  2. Step 2: Convert to fraction form
    31,179.62/43,027.87 = 16,839.45/x
  3. Step 3: Cross multiply
    31,179.62x = 43,027.87 × 16,839.45
  4. Step 4: Simplify right side
    31,179.62x = 724,565,728.60
  5. Step 5: Solve for x
    x = 724,565,728.60/31,179.62
  6. Step 6: Final answer
    x = 23,238.44

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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.