Home / 31,611.32-43,624.88-18,182.56

Finding the Fourth Proportional to 31,611.32, 43,624.88 and 18,182.56

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Solution

The fourth proportional to 31,611.32, 43,624.88 and 18,182.56 is: 25,092.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,611.32 : 43,624.88 = 18,182.56 : x
  2. Step 2: Convert to fraction form
    31,611.32/43,624.88 = 18,182.56/x
  3. Step 3: Cross multiply
    31,611.32x = 43,624.88 × 18,182.56
  4. Step 4: Simplify right side
    31,611.32x = 793,211,998.09
  5. Step 5: Solve for x
    x = 793,211,998.09/31,611.32
  6. Step 6: Final answer
    x = 25,092.66

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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.