Home / 31,653.34-43,692.60-18,229.95

Finding the Fourth Proportional to 31,653.34, 43,692.60 and 18,229.95

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Solution

The fourth proportional to 31,653.34, 43,692.60 and 18,229.95 is: 25,163.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,653.34 : 43,692.60 = 18,229.95 : x
  2. Step 2: Convert to fraction form
    31,653.34/43,692.60 = 18,229.95/x
  3. Step 3: Cross multiply
    31,653.34x = 43,692.60 × 18,229.95
  4. Step 4: Simplify right side
    31,653.34x = 796,513,913.37
  5. Step 5: Solve for x
    x = 796,513,913.37/31,653.34
  6. Step 6: Final answer
    x = 25,163.66

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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.