Home / 36,449.54-54,674.31-20,856.32

Finding the Fourth Proportional to 36,449.54, 54,674.31 and 20,856.32

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Solution

The fourth proportional to 36,449.54, 54,674.31 and 20,856.32 is: 31,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,449.54 : 54,674.31 = 20,856.32 : x
  2. Step 2: Convert to fraction form
    36,449.54/54,674.31 = 20,856.32/x
  3. Step 3: Cross multiply
    36,449.54x = 54,674.31 × 20,856.32
  4. Step 4: Simplify right side
    36,449.54x = 1,140,304,905.14
  5. Step 5: Solve for x
    x = 1,140,304,905.14/36,449.54
  6. Step 6: Final answer
    x = 31,284.48

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Similar ratio
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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.