Home / 29,188.48-43,785.79-13,390.82

Finding the Fourth Proportional to 29,188.48, 43,785.79 and 13,390.82

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Solution

The fourth proportional to 29,188.48, 43,785.79 and 13,390.82 is: 20,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,188.48 : 43,785.79 = 13,390.82 : x
  2. Step 2: Convert to fraction form
    29,188.48/43,785.79 = 13,390.82/x
  3. Step 3: Cross multiply
    29,188.48x = 43,785.79 × 13,390.82
  4. Step 4: Simplify right side
    29,188.48x = 586,327,581.90
  5. Step 5: Solve for x
    x = 586,327,581.90/29,188.48
  6. Step 6: Final answer
    x = 20,087.64

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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.