Home / 54,724.19-82,086.30-13,171.19

Finding the Fourth Proportional to 54,724.19, 82,086.30 and 13,171.19

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Solution

The fourth proportional to 54,724.19, 82,086.30 and 13,171.19 is: 19,756.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,724.19 : 82,086.30 = 13,171.19 : x
  2. Step 2: Convert to fraction form
    54,724.19/82,086.30 = 13,171.19/x
  3. Step 3: Cross multiply
    54,724.19x = 82,086.30 × 13,171.19
  4. Step 4: Simplify right side
    54,724.19x = 1,081,174,253.70
  5. Step 5: Solve for x
    x = 1,081,174,253.70/54,724.19
  6. Step 6: Final answer
    x = 19,756.79

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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.