Home / 30,857.40-46,272.33-9,791.46

Finding the Fourth Proportional to 30,857.40, 46,272.33 and 9,791.46

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Solution

The fourth proportional to 30,857.40, 46,272.33 and 9,791.46 is: 14,682.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,857.40 : 46,272.33 = 9,791.46 : x
  2. Step 2: Convert to fraction form
    30,857.40/46,272.33 = 9,791.46/x
  3. Step 3: Cross multiply
    30,857.40x = 46,272.33 × 9,791.46
  4. Step 4: Simplify right side
    30,857.40x = 453,073,668.30
  5. Step 5: Solve for x
    x = 453,073,668.30/30,857.40
  6. Step 6: Final answer
    x = 14,682.82

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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.