Home / 36,685.26-55,049.76-13,308.66

Finding the Fourth Proportional to 36,685.26, 55,049.76 and 13,308.66

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Solution

The fourth proportional to 36,685.26, 55,049.76 and 13,308.66 is: 19,970.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,685.26 : 55,049.76 = 13,308.66 : x
  2. Step 2: Convert to fraction form
    36,685.26/55,049.76 = 13,308.66/x
  3. Step 3: Cross multiply
    36,685.26x = 55,049.76 × 13,308.66
  4. Step 4: Simplify right side
    36,685.26x = 732,638,538.92
  5. Step 5: Solve for x
    x = 732,638,538.92/36,685.26
  6. Step 6: Final answer
    x = 19,970.92

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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.