Home / 54,661.14-81,991.80-15,218.24

Finding the Fourth Proportional to 54,661.14, 81,991.80 and 15,218.24

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Solution

The fourth proportional to 54,661.14, 81,991.80 and 15,218.24 is: 22,827.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,661.14 : 81,991.80 = 15,218.24 : x
  2. Step 2: Convert to fraction form
    54,661.14/81,991.80 = 15,218.24/x
  3. Step 3: Cross multiply
    54,661.14x = 81,991.80 × 15,218.24
  4. Step 4: Simplify right side
    54,661.14x = 1,247,770,480.47
  5. Step 5: Solve for x
    x = 1,247,770,480.47/54,661.14
  6. Step 6: Final answer
    x = 22,827.38

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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.