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Finding the Fourth Proportional to 36,231.22, 54,346.86 and 9,936.16

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Solution

The fourth proportional to 36,231.22, 54,346.86 and 9,936.16 is: 14,904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,231.22 : 54,346.86 = 9,936.16 : x
  2. Step 2: Convert to fraction form
    36,231.22/54,346.86 = 9,936.16/x
  3. Step 3: Cross multiply
    36,231.22x = 54,346.86 × 9,936.16
  4. Step 4: Simplify right side
    36,231.22x = 539,999,096.46
  5. Step 5: Solve for x
    x = 539,999,096.46/36,231.22
  6. Step 6: Final answer
    x = 14,904.25

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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.