Home / 29,318.96-43,977.81-7,132.45

Finding the Fourth Proportional to 29,318.96, 43,977.81 and 7,132.45

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Solution

The fourth proportional to 29,318.96, 43,977.81 and 7,132.45 is: 10,698.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,318.96 : 43,977.81 = 7,132.45 : x
  2. Step 2: Convert to fraction form
    29,318.96/43,977.81 = 7,132.45/x
  3. Step 3: Cross multiply
    29,318.96x = 43,977.81 × 7,132.45
  4. Step 4: Simplify right side
    29,318.96x = 313,669,530.93
  5. Step 5: Solve for x
    x = 313,669,530.93/29,318.96
  6. Step 6: Final answer
    x = 10,698.52

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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.