Home / 30,179.31-41,647.04-16,750.53

Finding the Fourth Proportional to 30,179.31, 41,647.04 and 16,750.53

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Solution

The fourth proportional to 30,179.31, 41,647.04 and 16,750.53 is: 23,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.31 : 41,647.04 = 16,750.53 : x
  2. Step 2: Convert to fraction form
    30,179.31/41,647.04 = 16,750.53/x
  3. Step 3: Cross multiply
    30,179.31x = 41,647.04 × 16,750.53
  4. Step 4: Simplify right side
    30,179.31x = 697,609,784.70
  5. Step 5: Solve for x
    x = 697,609,784.70/30,179.31
  6. Step 6: Final answer
    x = 23,115.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.