Home / 31,287.27-46,930.87-12,567.31

Finding the Fourth Proportional to 31,287.27, 46,930.87 and 12,567.31

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Solution

The fourth proportional to 31,287.27, 46,930.87 and 12,567.31 is: 18,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,287.27 : 46,930.87 = 12,567.31 : x
  2. Step 2: Convert to fraction form
    31,287.27/46,930.87 = 12,567.31/x
  3. Step 3: Cross multiply
    31,287.27x = 46,930.87 × 12,567.31
  4. Step 4: Simplify right side
    31,287.27x = 589,794,690.24
  5. Step 5: Solve for x
    x = 589,794,690.24/31,287.27
  6. Step 6: Final answer
    x = 18,850.95

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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.