Home / 31,654.85-43,689.06-18,233.88

Finding the Fourth Proportional to 31,654.85, 43,689.06 and 18,233.88

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Solution

The fourth proportional to 31,654.85, 43,689.06 and 18,233.88 is: 25,165.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,654.85 : 43,689.06 = 18,233.88 : x
  2. Step 2: Convert to fraction form
    31,654.85/43,689.06 = 18,233.88/x
  3. Step 3: Cross multiply
    31,654.85x = 43,689.06 × 18,233.88
  4. Step 4: Simplify right side
    31,654.85x = 796,621,077.35
  5. Step 5: Solve for x
    x = 796,621,077.35/31,654.85
  6. Step 6: Final answer
    x = 25,165.85

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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.