Home / 36,859.20-55,291.69-13,171.86

Finding the Fourth Proportional to 36,859.20, 55,291.69 and 13,171.86

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Solution

The fourth proportional to 36,859.20, 55,291.69 and 13,171.86 is: 19,758.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,859.20 : 55,291.69 = 13,171.86 : x
  2. Step 2: Convert to fraction form
    36,859.20/55,291.69 = 13,171.86/x
  3. Step 3: Cross multiply
    36,859.20x = 55,291.69 × 13,171.86
  4. Step 4: Simplify right side
    36,859.20x = 728,294,472.21
  5. Step 5: Solve for x
    x = 728,294,472.21/36,859.20
  6. Step 6: Final answer
    x = 19,758.82

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1.5x scale

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.