Home / 43,299.20-64,951.25-12,136.88

Finding the Fourth Proportional to 43,299.20, 64,951.25 and 12,136.88

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Solution

The fourth proportional to 43,299.20, 64,951.25 and 12,136.88 is: 18,206.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,299.20 : 64,951.25 = 12,136.88 : x
  2. Step 2: Convert to fraction form
    43,299.20/64,951.25 = 12,136.88/x
  3. Step 3: Cross multiply
    43,299.20x = 64,951.25 × 12,136.88
  4. Step 4: Simplify right side
    43,299.20x = 788,305,141.66
  5. Step 5: Solve for x
    x = 788,305,141.66/43,299.20
  6. Step 6: Final answer
    x = 18,206.00

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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.