Home / 31,657.82-43,695.04-18,236.84

Finding the Fourth Proportional to 31,657.82, 43,695.04 and 18,236.84

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Solution

The fourth proportional to 31,657.82, 43,695.04 and 18,236.84 is: 25,171.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,657.82 : 43,695.04 = 18,236.84 : x
  2. Step 2: Convert to fraction form
    31,657.82/43,695.04 = 18,236.84/x
  3. Step 3: Cross multiply
    31,657.82x = 43,695.04 × 18,236.84
  4. Step 4: Simplify right side
    31,657.82x = 796,859,453.27
  5. Step 5: Solve for x
    x = 796,859,453.27/31,657.82
  6. Step 6: Final answer
    x = 25,171.01

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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.