Home / 29,207.75-43,812.44-8,431.25

Finding the Fourth Proportional to 29,207.75, 43,812.44 and 8,431.25

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Solution

The fourth proportional to 29,207.75, 43,812.44 and 8,431.25 is: 12,647.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,207.75 : 43,812.44 = 8,431.25 : x
  2. Step 2: Convert to fraction form
    29,207.75/43,812.44 = 8,431.25/x
  3. Step 3: Cross multiply
    29,207.75x = 43,812.44 × 8,431.25
  4. Step 4: Simplify right side
    29,207.75x = 369,393,592.59
  5. Step 5: Solve for x
    x = 369,393,592.59/29,207.75
  6. Step 6: Final answer
    x = 12,647.11

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1.5x scale

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.