Home / 54,792.20-82,220.70-19,727.30

Finding the Fourth Proportional to 54,792.20, 82,220.70 and 19,727.30

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Solution

The fourth proportional to 54,792.20, 82,220.70 and 19,727.30 is: 29,602.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,792.20 : 82,220.70 = 19,727.30 : x
  2. Step 2: Convert to fraction form
    54,792.20/82,220.70 = 19,727.30/x
  3. Step 3: Cross multiply
    54,792.20x = 82,220.70 × 19,727.30
  4. Step 4: Simplify right side
    54,792.20x = 1,621,992,415.11
  5. Step 5: Solve for x
    x = 1,621,992,415.11/54,792.20
  6. Step 6: Final answer
    x = 29,602.62

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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.