Home / 31,655.82-43,692.28-18,234.84

Finding the Fourth Proportional to 31,655.82, 43,692.28 and 18,234.84

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Solution

The fourth proportional to 31,655.82, 43,692.28 and 18,234.84 is: 25,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,655.82 : 43,692.28 = 18,234.84 : x
  2. Step 2: Convert to fraction form
    31,655.82/43,692.28 = 18,234.84/x
  3. Step 3: Cross multiply
    31,655.82x = 43,692.28 × 18,234.84
  4. Step 4: Simplify right side
    31,655.82x = 796,721,735.04
  5. Step 5: Solve for x
    x = 796,721,735.04/31,655.82
  6. Step 6: Final answer
    x = 25,168.25

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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.