Home / 36,231.49-54,349.56-12,541.32

Finding the Fourth Proportional to 36,231.49, 54,349.56 and 12,541.32

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Solution

The fourth proportional to 36,231.49, 54,349.56 and 12,541.32 is: 18,812.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,231.49 : 54,349.56 = 12,541.32 : x
  2. Step 2: Convert to fraction form
    36,231.49/54,349.56 = 12,541.32/x
  3. Step 3: Cross multiply
    36,231.49x = 54,349.56 × 12,541.32
  4. Step 4: Simplify right side
    36,231.49x = 681,615,223.82
  5. Step 5: Solve for x
    x = 681,615,223.82/36,231.49
  6. Step 6: Final answer
    x = 18,812.78

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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.