Home / 30,629.54-45,947.15-11,910.99

Finding the Fourth Proportional to 30,629.54, 45,947.15 and 11,910.99

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Solution

The fourth proportional to 30,629.54, 45,947.15 and 11,910.99 is: 17,867.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,629.54 : 45,947.15 = 11,910.99 : x
  2. Step 2: Convert to fraction form
    30,629.54/45,947.15 = 11,910.99/x
  3. Step 3: Cross multiply
    30,629.54x = 45,947.15 × 11,910.99
  4. Step 4: Simplify right side
    30,629.54x = 547,275,878.53
  5. Step 5: Solve for x
    x = 547,275,878.53/30,629.54
  6. Step 6: Final answer
    x = 17,867.58

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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.