Home / 31,327.21-43,230.97-17,715.07

Finding the Fourth Proportional to 31,327.21, 43,230.97 and 17,715.07

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Solution

The fourth proportional to 31,327.21, 43,230.97 and 17,715.07 is: 24,446.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,327.21 : 43,230.97 = 17,715.07 : x
  2. Step 2: Convert to fraction form
    31,327.21/43,230.97 = 17,715.07/x
  3. Step 3: Cross multiply
    31,327.21x = 43,230.97 × 17,715.07
  4. Step 4: Simplify right side
    31,327.21x = 765,839,659.72
  5. Step 5: Solve for x
    x = 765,839,659.72/31,327.21
  6. Step 6: Final answer
    x = 24,446.47

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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.