Home / 29,041.75-43,563.11-7,981.66

Finding the Fourth Proportional to 29,041.75, 43,563.11 and 7,981.66

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Solution

The fourth proportional to 29,041.75, 43,563.11 and 7,981.66 is: 11,972.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,041.75 : 43,563.11 = 7,981.66 : x
  2. Step 2: Convert to fraction form
    29,041.75/43,563.11 = 7,981.66/x
  3. Step 3: Cross multiply
    29,041.75x = 43,563.11 × 7,981.66
  4. Step 4: Simplify right side
    29,041.75x = 347,705,947.11
  5. Step 5: Solve for x
    x = 347,705,947.11/29,041.75
  6. Step 6: Final answer
    x = 11,972.62

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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.