Home / 33,147.45-49,719.96-8,187.30

Finding the Fourth Proportional to 33,147.45, 49,719.96 and 8,187.30

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Solution

The fourth proportional to 33,147.45, 49,719.96 and 8,187.30 is: 12,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,147.45 : 49,719.96 = 8,187.30 : x
  2. Step 2: Convert to fraction form
    33,147.45/49,719.96 = 8,187.30/x
  3. Step 3: Cross multiply
    33,147.45x = 49,719.96 × 8,187.30
  4. Step 4: Simplify right side
    33,147.45x = 407,072,228.51
  5. Step 5: Solve for x
    x = 407,072,228.51/33,147.45
  6. Step 6: Final answer
    x = 12,280.65

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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.