Home / 54,024.94-81,019.88-17,991.80

Finding the Fourth Proportional to 54,024.94, 81,019.88 and 17,991.80

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Solution

The fourth proportional to 54,024.94, 81,019.88 and 17,991.80 is: 26,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,024.94 : 81,019.88 = 17,991.80 : x
  2. Step 2: Convert to fraction form
    54,024.94/81,019.88 = 17,991.80/x
  3. Step 3: Cross multiply
    54,024.94x = 81,019.88 × 17,991.80
  4. Step 4: Simplify right side
    54,024.94x = 1,457,693,201.25
  5. Step 5: Solve for x
    x = 1,457,693,201.25/54,024.94
  6. Step 6: Final answer
    x = 26,981.86

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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.