Home / 31,305.06-43,194.59-18,552.62

Finding the Fourth Proportional to 31,305.06, 43,194.59 and 18,552.62

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Solution

The fourth proportional to 31,305.06, 43,194.59 and 18,552.62 is: 25,598.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,305.06 : 43,194.59 = 18,552.62 : x
  2. Step 2: Convert to fraction form
    31,305.06/43,194.59 = 18,552.62/x
  3. Step 3: Cross multiply
    31,305.06x = 43,194.59 × 18,552.62
  4. Step 4: Simplify right side
    31,305.06x = 801,372,814.33
  5. Step 5: Solve for x
    x = 801,372,814.33/31,305.06
  6. Step 6: Final answer
    x = 25,598.83

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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.