Home / 29,009.20-43,516.83-12,370.99

Finding the Fourth Proportional to 29,009.20, 43,516.83 and 12,370.99

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Solution

The fourth proportional to 29,009.20, 43,516.83 and 12,370.99 is: 18,557.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,009.20 : 43,516.83 = 12,370.99 : x
  2. Step 2: Convert to fraction form
    29,009.20/43,516.83 = 12,370.99/x
  3. Step 3: Cross multiply
    29,009.20x = 43,516.83 × 12,370.99
  4. Step 4: Simplify right side
    29,009.20x = 538,346,268.76
  5. Step 5: Solve for x
    x = 538,346,268.76/29,009.20
  6. Step 6: Final answer
    x = 18,557.78

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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.