Home / 36,152.96-54,187.80-13,956.56

Finding the Fourth Proportional to 36,152.96, 54,187.80 and 13,956.56

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Solution

The fourth proportional to 36,152.96, 54,187.80 and 13,956.56 is: 20,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,152.96 : 54,187.80 = 13,956.56 : x
  2. Step 2: Convert to fraction form
    36,152.96/54,187.80 = 13,956.56/x
  3. Step 3: Cross multiply
    36,152.96x = 54,187.80 × 13,956.56
  4. Step 4: Simplify right side
    36,152.96x = 756,275,281.97
  5. Step 5: Solve for x
    x = 756,275,281.97/36,152.96
  6. Step 6: Final answer
    x = 20,918.77

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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.