Home / 54,724.07-82,086.12-13,171.07

Finding the Fourth Proportional to 54,724.07, 82,086.12 and 13,171.07

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Solution

The fourth proportional to 54,724.07, 82,086.12 and 13,171.07 is: 19,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,724.07 : 82,086.12 = 13,171.07 : x
  2. Step 2: Convert to fraction form
    54,724.07/82,086.12 = 13,171.07/x
  3. Step 3: Cross multiply
    54,724.07x = 82,086.12 × 13,171.07
  4. Step 4: Simplify right side
    54,724.07x = 1,081,161,622.12
  5. Step 5: Solve for x
    x = 1,081,161,622.12/54,724.07
  6. Step 6: Final answer
    x = 19,756.60

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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.