Home / 29,046.20-43,587.72-12,406.33

Finding the Fourth Proportional to 29,046.20, 43,587.72 and 12,406.33

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Solution

The fourth proportional to 29,046.20, 43,587.72 and 12,406.33 is: 18,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,046.20 : 43,587.72 = 12,406.33 : x
  2. Step 2: Convert to fraction form
    29,046.20/43,587.72 = 12,406.33/x
  3. Step 3: Cross multiply
    29,046.20x = 43,587.72 × 12,406.33
  4. Step 4: Simplify right side
    29,046.20x = 540,763,692.75
  5. Step 5: Solve for x
    x = 540,763,692.75/29,046.20
  6. Step 6: Final answer
    x = 18,617.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.