Home / 54,724.50-82,086.75-13,171.50

Finding the Fourth Proportional to 54,724.50, 82,086.75 and 13,171.50

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Solution

The fourth proportional to 54,724.50, 82,086.75 and 13,171.50 is: 19,757.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,724.50 : 82,086.75 = 13,171.50 : x
  2. Step 2: Convert to fraction form
    54,724.50/82,086.75 = 13,171.50/x
  3. Step 3: Cross multiply
    54,724.50x = 82,086.75 × 13,171.50
  4. Step 4: Simplify right side
    54,724.50x = 1,081,205,627.63
  5. Step 5: Solve for x
    x = 1,081,205,627.63/54,724.50
  6. Step 6: Final answer
    x = 19,757.25

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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.