Home / 36,091.56-54,031.76-21,052.70

Finding the Fourth Proportional to 36,091.56, 54,031.76 and 21,052.70

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Solution

The fourth proportional to 36,091.56, 54,031.76 and 21,052.70 is: 31,517.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,091.56 : 54,031.76 = 21,052.70 : x
  2. Step 2: Convert to fraction form
    36,091.56/54,031.76 = 21,052.70/x
  3. Step 3: Cross multiply
    36,091.56x = 54,031.76 × 21,052.70
  4. Step 4: Simplify right side
    36,091.56x = 1,137,514,433.75
  5. Step 5: Solve for x
    x = 1,137,514,433.75/36,091.56
  6. Step 6: Final answer
    x = 31,517.46

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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.