Home / 29,089.32-43,656.04-21,318.44

Finding the Fourth Proportional to 29,089.32, 43,656.04 and 21,318.44

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Solution

The fourth proportional to 29,089.32, 43,656.04 and 21,318.44 is: 31,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,089.32 : 43,656.04 = 21,318.44 : x
  2. Step 2: Convert to fraction form
    29,089.32/43,656.04 = 21,318.44/x
  3. Step 3: Cross multiply
    29,089.32x = 43,656.04 × 21,318.44
  4. Step 4: Simplify right side
    29,089.32x = 930,678,669.38
  5. Step 5: Solve for x
    x = 930,678,669.38/29,089.32
  6. Step 6: Final answer
    x = 31,993.83

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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.