Home / 36,077.38-54,103.09-21,089.62

Finding the Fourth Proportional to 36,077.38, 54,103.09 and 21,089.62

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Solution

The fourth proportional to 36,077.38, 54,103.09 and 21,089.62 is: 31,626.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,077.38 : 54,103.09 = 21,089.62 : x
  2. Step 2: Convert to fraction form
    36,077.38/54,103.09 = 21,089.62/x
  3. Step 3: Cross multiply
    36,077.38x = 54,103.09 × 21,089.62
  4. Step 4: Simplify right side
    36,077.38x = 1,141,013,608.93
  5. Step 5: Solve for x
    x = 1,141,013,608.93/36,077.38
  6. Step 6: Final answer
    x = 31,626.84

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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.