Home / 29,128.92-43,667.46-13,538.04

Finding the Fourth Proportional to 29,128.92, 43,667.46 and 13,538.04

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Solution

The fourth proportional to 29,128.92, 43,667.46 and 13,538.04 is: 20,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,128.92 : 43,667.46 = 13,538.04 : x
  2. Step 2: Convert to fraction form
    29,128.92/43,667.46 = 13,538.04/x
  3. Step 3: Cross multiply
    29,128.92x = 43,667.46 × 13,538.04
  4. Step 4: Simplify right side
    29,128.92x = 591,171,820.18
  5. Step 5: Solve for x
    x = 591,171,820.18/29,128.92
  6. Step 6: Final answer
    x = 20,295.01

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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.