Home / 29,207.72-43,815.80-9,210.42

Finding the Fourth Proportional to 29,207.72, 43,815.80 and 9,210.42

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Solution

The fourth proportional to 29,207.72, 43,815.80 and 9,210.42 is: 13,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,207.72 : 43,815.80 = 9,210.42 : x
  2. Step 2: Convert to fraction form
    29,207.72/43,815.80 = 9,210.42/x
  3. Step 3: Cross multiply
    29,207.72x = 43,815.80 × 9,210.42
  4. Step 4: Simplify right side
    29,207.72x = 403,561,874.58
  5. Step 5: Solve for x
    x = 403,561,874.58/29,207.72
  6. Step 6: Final answer
    x = 13,816.96

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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.