Home / 29,104.74-43,631.10-12,456.20

Finding the Fourth Proportional to 29,104.74, 43,631.10 and 12,456.20

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Solution

The fourth proportional to 29,104.74, 43,631.10 and 12,456.20 is: 18,673.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,104.74 : 43,631.10 = 12,456.20 : x
  2. Step 2: Convert to fraction form
    29,104.74/43,631.10 = 12,456.20/x
  3. Step 3: Cross multiply
    29,104.74x = 43,631.10 × 12,456.20
  4. Step 4: Simplify right side
    29,104.74x = 543,477,816.90
  5. Step 5: Solve for x
    x = 543,477,816.90/29,104.74
  6. Step 6: Final answer
    x = 18,673.17

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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.