Home / 36,318.86-54,481.12-14,130.53

Finding the Fourth Proportional to 36,318.86, 54,481.12 and 14,130.53

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Solution

The fourth proportional to 36,318.86, 54,481.12 and 14,130.53 is: 21,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,318.86 : 54,481.12 = 14,130.53 : x
  2. Step 2: Convert to fraction form
    36,318.86/54,481.12 = 14,130.53/x
  3. Step 3: Cross multiply
    36,318.86x = 54,481.12 × 14,130.53
  4. Step 4: Simplify right side
    36,318.86x = 769,846,828.19
  5. Step 5: Solve for x
    x = 769,846,828.19/36,318.86
  6. Step 6: Final answer
    x = 21,196.89

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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.