Home / 31,633.30-43,652.79-18,206.62

Finding the Fourth Proportional to 31,633.30, 43,652.79 and 18,206.62

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Solution

The fourth proportional to 31,633.30, 43,652.79 and 18,206.62 is: 25,124.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,633.30 : 43,652.79 = 18,206.62 : x
  2. Step 2: Convert to fraction form
    31,633.30/43,652.79 = 18,206.62/x
  3. Step 3: Cross multiply
    31,633.30x = 43,652.79 × 18,206.62
  4. Step 4: Simplify right side
    31,633.30x = 794,769,759.47
  5. Step 5: Solve for x
    x = 794,769,759.47/31,633.30
  6. Step 6: Final answer
    x = 25,124.47

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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.