Home / 36,687.26-55,052.76-13,310.66

Finding the Fourth Proportional to 36,687.26, 55,052.76 and 13,310.66

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Solution

The fourth proportional to 36,687.26, 55,052.76 and 13,310.66 is: 19,973.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,687.26 : 55,052.76 = 13,310.66 : x
  2. Step 2: Convert to fraction form
    36,687.26/55,052.76 = 13,310.66/x
  3. Step 3: Cross multiply
    36,687.26x = 55,052.76 × 13,310.66
  4. Step 4: Simplify right side
    36,687.26x = 732,788,570.42
  5. Step 5: Solve for x
    x = 732,788,570.42/36,687.26
  6. Step 6: Final answer
    x = 19,973.92

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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.