Home / 36,866.81-55,286.18-13,169.93

Finding the Fourth Proportional to 36,866.81, 55,286.18 and 13,169.93

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Solution

The fourth proportional to 36,866.81, 55,286.18 and 13,169.93 is: 19,749.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,866.81 : 55,286.18 = 13,169.93 : x
  2. Step 2: Convert to fraction form
    36,866.81/55,286.18 = 13,169.93/x
  3. Step 3: Cross multiply
    36,866.81x = 55,286.18 × 13,169.93
  4. Step 4: Simplify right side
    36,866.81x = 728,114,827.67
  5. Step 5: Solve for x
    x = 728,114,827.67/36,866.81
  6. Step 6: Final answer
    x = 19,749.87

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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.