Home / 29,134.37-43,692.30-12,489.95

Finding the Fourth Proportional to 29,134.37, 43,692.30 and 12,489.95

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Solution

The fourth proportional to 29,134.37, 43,692.30 and 12,489.95 is: 18,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,134.37 : 43,692.30 = 12,489.95 : x
  2. Step 2: Convert to fraction form
    29,134.37/43,692.30 = 12,489.95/x
  3. Step 3: Cross multiply
    29,134.37x = 43,692.30 × 12,489.95
  4. Step 4: Simplify right side
    29,134.37x = 545,714,423.92
  5. Step 5: Solve for x
    x = 545,714,423.92/29,134.37
  6. Step 6: Final answer
    x = 18,730.95

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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.