Home / 31,084.50-46,646.18-12,616.50

Finding the Fourth Proportional to 31,084.50, 46,646.18 and 12,616.50

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Solution

The fourth proportional to 31,084.50, 46,646.18 and 12,616.50 is: 18,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,084.50 : 46,646.18 = 12,616.50 : x
  2. Step 2: Convert to fraction form
    31,084.50/46,646.18 = 12,616.50/x
  3. Step 3: Cross multiply
    31,084.50x = 46,646.18 × 12,616.50
  4. Step 4: Simplify right side
    31,084.50x = 588,511,529.97
  5. Step 5: Solve for x
    x = 588,511,529.97/31,084.50
  6. Step 6: Final answer
    x = 18,932.64

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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.