Home / 54,177.68-81,257.88-19,112.24

Finding the Fourth Proportional to 54,177.68, 81,257.88 and 19,112.24

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Solution

The fourth proportional to 54,177.68, 81,257.88 and 19,112.24 is: 28,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,177.68 : 81,257.88 = 19,112.24 : x
  2. Step 2: Convert to fraction form
    54,177.68/81,257.88 = 19,112.24/x
  3. Step 3: Cross multiply
    54,177.68x = 81,257.88 × 19,112.24
  4. Step 4: Simplify right side
    54,177.68x = 1,553,020,104.45
  5. Step 5: Solve for x
    x = 1,553,020,104.45/54,177.68
  6. Step 6: Final answer
    x = 28,665.31

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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.