Home / 33,111.20-49,628.40-13,376.80

Finding the Fourth Proportional to 33,111.20, 49,628.40 and 13,376.80

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Solution

The fourth proportional to 33,111.20, 49,628.40 and 13,376.80 is: 20,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,111.20 : 49,628.40 = 13,376.80 : x
  2. Step 2: Convert to fraction form
    33,111.20/49,628.40 = 13,376.80/x
  3. Step 3: Cross multiply
    33,111.20x = 49,628.40 × 13,376.80
  4. Step 4: Simplify right side
    33,111.20x = 663,869,181.12
  5. Step 5: Solve for x
    x = 663,869,181.12/33,111.20
  6. Step 6: Final answer
    x = 20,049.69

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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.