Home / 30,996.64-46,493.28-18,180.94

Finding the Fourth Proportional to 30,996.64, 46,493.28 and 18,180.94

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Solution

The fourth proportional to 30,996.64, 46,493.28 and 18,180.94 is: 27,270.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,996.64 : 46,493.28 = 18,180.94 : x
  2. Step 2: Convert to fraction form
    30,996.64/46,493.28 = 18,180.94/x
  3. Step 3: Cross multiply
    30,996.64x = 46,493.28 × 18,180.94
  4. Step 4: Simplify right side
    30,996.64x = 845,291,534.08
  5. Step 5: Solve for x
    x = 845,291,534.08/30,996.64
  6. Step 6: Final answer
    x = 27,270.42

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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.