Home / 31,692.04-43,735.66-18,958.36

Finding the Fourth Proportional to 31,692.04, 43,735.66 and 18,958.36

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Solution

The fourth proportional to 31,692.04, 43,735.66 and 18,958.36 is: 26,162.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,692.04 : 43,735.66 = 18,958.36 : x
  2. Step 2: Convert to fraction form
    31,692.04/43,735.66 = 18,958.36/x
  3. Step 3: Cross multiply
    31,692.04x = 43,735.66 × 18,958.36
  4. Step 4: Simplify right side
    31,692.04x = 829,156,387.12
  5. Step 5: Solve for x
    x = 829,156,387.12/31,692.04
  6. Step 6: Final answer
    x = 26,162.92

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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.