Home / 30,969.21-46,453.79-8,782.77

Finding the Fourth Proportional to 30,969.21, 46,453.79 and 8,782.77

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Solution

The fourth proportional to 30,969.21, 46,453.79 and 8,782.77 is: 13,174.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,969.21 : 46,453.79 = 8,782.77 : x
  2. Step 2: Convert to fraction form
    30,969.21/46,453.79 = 8,782.77/x
  3. Step 3: Cross multiply
    30,969.21x = 46,453.79 × 8,782.77
  4. Step 4: Simplify right side
    30,969.21x = 407,992,720.93
  5. Step 5: Solve for x
    x = 407,992,720.93/30,969.21
  6. Step 6: Final answer
    x = 13,174.14

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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.