Home / 36,686.44-55,012.82-11,720.96

Finding the Fourth Proportional to 36,686.44, 55,012.82 and 11,720.96

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Solution

The fourth proportional to 36,686.44, 55,012.82 and 11,720.96 is: 17,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,686.44 : 55,012.82 = 11,720.96 : x
  2. Step 2: Convert to fraction form
    36,686.44/55,012.82 = 11,720.96/x
  3. Step 3: Cross multiply
    36,686.44x = 55,012.82 × 11,720.96
  4. Step 4: Simplify right side
    36,686.44x = 644,803,062.71
  5. Step 5: Solve for x
    x = 644,803,062.71/36,686.44
  6. Step 6: Final answer
    x = 17,576.06

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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.