Home / 30,797.28-46,156.10-13,917.87

Finding the Fourth Proportional to 30,797.28, 46,156.10 and 13,917.87

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Solution

The fourth proportional to 30,797.28, 46,156.10 and 13,917.87 is: 20,858.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,797.28 : 46,156.10 = 13,917.87 : x
  2. Step 2: Convert to fraction form
    30,797.28/46,156.10 = 13,917.87/x
  3. Step 3: Cross multiply
    30,797.28x = 46,156.10 × 13,917.87
  4. Step 4: Simplify right side
    30,797.28x = 642,394,529.92
  5. Step 5: Solve for x
    x = 642,394,529.92/30,797.28
  6. Step 6: Final answer
    x = 20,858.81

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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.