Home / 29,329.18-43,982.76-12,687.94

Finding the Fourth Proportional to 29,329.18, 43,982.76 and 12,687.94

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Solution

The fourth proportional to 29,329.18, 43,982.76 and 12,687.94 is: 19,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,329.18 : 43,982.76 = 12,687.94 : x
  2. Step 2: Convert to fraction form
    29,329.18/43,982.76 = 12,687.94/x
  3. Step 3: Cross multiply
    29,329.18x = 43,982.76 × 12,687.94
  4. Step 4: Simplify right side
    29,329.18x = 558,050,619.91
  5. Step 5: Solve for x
    x = 558,050,619.91/29,329.18
  6. Step 6: Final answer
    x = 19,027.15

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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.