Home / 30,629.94-45,933.01-11,907.50

Finding the Fourth Proportional to 30,629.94, 45,933.01 and 11,907.50

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Solution

The fourth proportional to 30,629.94, 45,933.01 and 11,907.50 is: 17,856.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,629.94 : 45,933.01 = 11,907.50 : x
  2. Step 2: Convert to fraction form
    30,629.94/45,933.01 = 11,907.50/x
  3. Step 3: Cross multiply
    30,629.94x = 45,933.01 × 11,907.50
  4. Step 4: Simplify right side
    30,629.94x = 546,947,057.14
  5. Step 5: Solve for x
    x = 546,947,057.14/30,629.94
  6. Step 6: Final answer
    x = 17,856.62

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1.5x scale

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.