Home / 36,079.70-54,106.58-13,881.92

Finding the Fourth Proportional to 36,079.70, 54,106.58 and 13,881.92

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Solution

The fourth proportional to 36,079.70, 54,106.58 and 13,881.92 is: 20,817.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,079.70 : 54,106.58 = 13,881.92 : x
  2. Step 2: Convert to fraction form
    36,079.70/54,106.58 = 13,881.92/x
  3. Step 3: Cross multiply
    36,079.70x = 54,106.58 × 13,881.92
  4. Step 4: Simplify right side
    36,079.70x = 751,102,979.21
  5. Step 5: Solve for x
    x = 751,102,979.21/36,079.70
  6. Step 6: Final answer
    x = 20,817.89

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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.