Home / 54,448.92-81,621.54-17,487

Finding the Fourth Proportional to 54,448.92, 81,621.54 and 17,487

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Solution

The fourth proportional to 54,448.92, 81,621.54 and 17,487 is: 26,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,448.92 : 81,621.54 = 17,487 : x
  2. Step 2: Convert to fraction form
    54,448.92/81,621.54 = 17,487/x
  3. Step 3: Cross multiply
    54,448.92x = 81,621.54 × 17,487
  4. Step 4: Simplify right side
    54,448.92x = 1,427,315,869.98
  5. Step 5: Solve for x
    x = 1,427,315,869.98/54,448.92
  6. Step 6: Final answer
    x = 26,213.85

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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.