Home / 31,171.26-46,752.80-8,986.88

Finding the Fourth Proportional to 31,171.26, 46,752.80 and 8,986.88

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Solution

The fourth proportional to 31,171.26, 46,752.80 and 8,986.88 is: 13,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,171.26 : 46,752.80 = 8,986.88 : x
  2. Step 2: Convert to fraction form
    31,171.26/46,752.80 = 8,986.88/x
  3. Step 3: Cross multiply
    31,171.26x = 46,752.80 × 8,986.88
  4. Step 4: Simplify right side
    31,171.26x = 420,161,524.57
  5. Step 5: Solve for x
    x = 420,161,524.57/31,171.26
  6. Step 6: Final answer
    x = 13,479.13

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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.