Home / 29,120.96-43,666.08-12,696

Finding the Fourth Proportional to 29,120.96, 43,666.08 and 12,696

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Solution

The fourth proportional to 29,120.96, 43,666.08 and 12,696 is: 19,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120.96 : 43,666.08 = 12,696 : x
  2. Step 2: Convert to fraction form
    29,120.96/43,666.08 = 12,696/x
  3. Step 3: Cross multiply
    29,120.96x = 43,666.08 × 12,696
  4. Step 4: Simplify right side
    29,120.96x = 554,384,551.68
  5. Step 5: Solve for x
    x = 554,384,551.68/29,120.96
  6. Step 6: Final answer
    x = 19,037.30

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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.