Home / 30,977.64-46,469.57-11,257.79

Finding the Fourth Proportional to 30,977.64, 46,469.57 and 11,257.79

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Solution

The fourth proportional to 30,977.64, 46,469.57 and 11,257.79 is: 16,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,977.64 : 46,469.57 = 11,257.79 : x
  2. Step 2: Convert to fraction form
    30,977.64/46,469.57 = 11,257.79/x
  3. Step 3: Cross multiply
    30,977.64x = 46,469.57 × 11,257.79
  4. Step 4: Simplify right side
    30,977.64x = 523,144,371.81
  5. Step 5: Solve for x
    x = 523,144,371.81/30,977.64
  6. Step 6: Final answer
    x = 16,887.81

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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.