Home / 49,451.26-68,242.81-29,318

Finding the Fourth Proportional to 49,451.26, 68,242.81 and 29,318

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Solution

The fourth proportional to 49,451.26, 68,242.81 and 29,318 is: 40,458.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,451.26 : 68,242.81 = 29,318 : x
  2. Step 2: Convert to fraction form
    49,451.26/68,242.81 = 29,318/x
  3. Step 3: Cross multiply
    49,451.26x = 68,242.81 × 29,318
  4. Step 4: Simplify right side
    49,451.26x = 2,000,742,703.58
  5. Step 5: Solve for x
    x = 2,000,742,703.58/49,451.26
  6. Step 6: Final answer
    x = 40,458.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.