Home / 31,607.06-43,619.07-18,178.33

Finding the Fourth Proportional to 31,607.06, 43,619.07 and 18,178.33

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Solution

The fourth proportional to 31,607.06, 43,619.07 and 18,178.33 is: 25,086.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,607.06 : 43,619.07 = 18,178.33 : x
  2. Step 2: Convert to fraction form
    31,607.06/43,619.07 = 18,178.33/x
  3. Step 3: Cross multiply
    31,607.06x = 43,619.07 × 18,178.33
  4. Step 4: Simplify right side
    31,607.06x = 792,922,012.34
  5. Step 5: Solve for x
    x = 792,922,012.34/31,607.06
  6. Step 6: Final answer
    x = 25,086.86

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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.