Home / 33,278.28-49,900.64-11,083.72

Finding the Fourth Proportional to 33,278.28, 49,900.64 and 11,083.72

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Solution

The fourth proportional to 33,278.28, 49,900.64 and 11,083.72 is: 16,619.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.28 : 49,900.64 = 11,083.72 : x
  2. Step 2: Convert to fraction form
    33,278.28/49,900.64 = 11,083.72/x
  3. Step 3: Cross multiply
    33,278.28x = 49,900.64 × 11,083.72
  4. Step 4: Simplify right side
    33,278.28x = 553,084,721.58
  5. Step 5: Solve for x
    x = 553,084,721.58/33,278.28
  6. Step 6: Final answer
    x = 16,619.99

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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.