Home / 31,304.21-43,199.72-16,964.44

Finding the Fourth Proportional to 31,304.21, 43,199.72 and 16,964.44

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Solution

The fourth proportional to 31,304.21, 43,199.72 and 16,964.44 is: 23,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,304.21 : 43,199.72 = 16,964.44 : x
  2. Step 2: Convert to fraction form
    31,304.21/43,199.72 = 16,964.44/x
  3. Step 3: Cross multiply
    31,304.21x = 43,199.72 × 16,964.44
  4. Step 4: Simplify right side
    31,304.21x = 732,858,841.96
  5. Step 5: Solve for x
    x = 732,858,841.96/31,304.21
  6. Step 6: Final answer
    x = 23,410.87

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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.