Home / 30,791.80-46,072.14-18,265.96

Finding the Fourth Proportional to 30,791.80, 46,072.14 and 18,265.96

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Solution

The fourth proportional to 30,791.80, 46,072.14 and 18,265.96 is: 27,330.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,791.80 : 46,072.14 = 18,265.96 : x
  2. Step 2: Convert to fraction form
    30,791.80/46,072.14 = 18,265.96/x
  3. Step 3: Cross multiply
    30,791.80x = 46,072.14 × 18,265.96
  4. Step 4: Simplify right side
    30,791.80x = 841,551,866.35
  5. Step 5: Solve for x
    x = 841,551,866.35/30,791.80
  6. Step 6: Final answer
    x = 27,330.39

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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.