Home / 31,252.32-43,137.24-17,830.88

Finding the Fourth Proportional to 31,252.32, 43,137.24 and 17,830.88

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Solution

The fourth proportional to 31,252.32, 43,137.24 and 17,830.88 is: 24,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,252.32 : 43,137.24 = 17,830.88 : x
  2. Step 2: Convert to fraction form
    31,252.32/43,137.24 = 17,830.88/x
  3. Step 3: Cross multiply
    31,252.32x = 43,137.24 × 17,830.88
  4. Step 4: Simplify right side
    31,252.32x = 769,174,949.97
  5. Step 5: Solve for x
    x = 769,174,949.97/31,252.32
  6. Step 6: Final answer
    x = 24,611.77

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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.