Home / 29,009.21-43,516.85-12,371.00

Finding the Fourth Proportional to 29,009.21, 43,516.85 and 12,371.00

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Solution

The fourth proportional to 29,009.21, 43,516.85 and 12,371.00 is: 18,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,009.21 : 43,516.85 = 12,371.00 : x
  2. Step 2: Convert to fraction form
    29,009.21/43,516.85 = 12,371.00/x
  3. Step 3: Cross multiply
    29,009.21x = 43,516.85 × 12,371.00
  4. Step 4: Simplify right side
    29,009.21x = 538,346,671.91
  5. Step 5: Solve for x
    x = 538,346,671.91/29,009.21
  6. Step 6: Final answer
    x = 18,557.79

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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.