Home / 31,236.75-46,855.17-12,768.75

Finding the Fourth Proportional to 31,236.75, 46,855.17 and 12,768.75

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Solution

The fourth proportional to 31,236.75, 46,855.17 and 12,768.75 is: 19,153.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,236.75 : 46,855.17 = 12,768.75 : x
  2. Step 2: Convert to fraction form
    31,236.75/46,855.17 = 12,768.75/x
  3. Step 3: Cross multiply
    31,236.75x = 46,855.17 × 12,768.75
  4. Step 4: Simplify right side
    31,236.75x = 598,281,951.94
  5. Step 5: Solve for x
    x = 598,281,951.94/31,236.75
  6. Step 6: Final answer
    x = 19,153.14

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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.