Home / 29,035.10-43,572.11-12,399.03

Finding the Fourth Proportional to 29,035.10, 43,572.11 and 12,399.03

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Solution

The fourth proportional to 29,035.10, 43,572.11 and 12,399.03 is: 18,606.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,035.10 : 43,572.11 = 12,399.03 : x
  2. Step 2: Convert to fraction form
    29,035.10/43,572.11 = 12,399.03/x
  3. Step 3: Cross multiply
    29,035.10x = 43,572.11 × 12,399.03
  4. Step 4: Simplify right side
    29,035.10x = 540,251,837.06
  5. Step 5: Solve for x
    x = 540,251,837.06/29,035.10
  6. Step 6: Final answer
    x = 18,606.85

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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.